Home / 15,726,966.58-21,702,515.79-8,758,003.60

Finding the Fourth Proportional to 15,726,966.58, 21,702,515.79 and 8,758,003.60

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Solution

The fourth proportional to 15,726,966.58, 21,702,515.79 and 8,758,003.60 is: 12,085,656.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,726,966.58 : 21,702,515.79 = 8,758,003.60 : x
  2. Step 2: Convert to fraction form
    15,726,966.58/21,702,515.79 = 8,758,003.60/x
  3. Step 3: Cross multiply
    15,726,966.58x = 21,702,515.79 × 8,758,003.60
  4. Step 4: Simplify right side
    15,726,966.58x = 190,070,711,417,876.81
  5. Step 5: Solve for x
    x = 190,070,711,417,876.81/15,726,966.58
  6. Step 6: Final answer
    x = 12,085,656.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.