Home / 15,261,696,014.40-22,892,544,021.60-12,812,815,886.40

Finding the Fourth Proportional to 15,261,696,014.40, 22,892,544,021.60 and 12,812,815,886.40

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Solution

The fourth proportional to 15,261,696,014.40, 22,892,544,021.60 and 12,812,815,886.40 is: 19,219,223,829.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,261,696,014.40 : 22,892,544,021.60 = 12,812,815,886.40 : x
  2. Step 2: Convert to fraction form
    15,261,696,014.40/22,892,544,021.60 = 12,812,815,886.40/x
  3. Step 3: Cross multiply
    15,261,696,014.40x = 22,892,544,021.60 × 12,812,815,886.40
  4. Step 4: Simplify right side
    15,261,696,014.40x = 293,317,951,720,067,792,896
  5. Step 5: Solve for x
    x = 293,317,951,720,067,792,896/15,261,696,014.40
  6. Step 6: Final answer
    x = 19,219,223,829.60

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.