Home / 15,726,650,021.20-21,702,648,052.74-8,590,068,384.40

Finding the Fourth Proportional to 15,726,650,021.20, 21,702,648,052.74 and 8,590,068,384.40

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Solution

The fourth proportional to 15,726,650,021.20, 21,702,648,052.74 and 8,590,068,384.40 is: 11,854,223,922.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,726,650,021.20 : 21,702,648,052.74 = 8,590,068,384.40 : x
  2. Step 2: Convert to fraction form
    15,726,650,021.20/21,702,648,052.74 = 8,590,068,384.40/x
  3. Step 3: Cross multiply
    15,726,650,021.20x = 21,702,648,052.74 × 8,590,068,384.40
  4. Step 4: Simplify right side
    15,726,650,021.20x = 186,427,230,895,602,106,368
  5. Step 5: Solve for x
    x = 186,427,230,895,602,106,368/15,726,650,021.20
  6. Step 6: Final answer
    x = 11,854,223,922.09

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1.5x scale

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.