Home / 15,171,892.40-22,757,838.60-8,688,312.20

Finding the Fourth Proportional to 15,171,892.40, 22,757,838.60 and 8,688,312.20

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Solution

The fourth proportional to 15,171,892.40, 22,757,838.60 and 8,688,312.20 is: 13,032,468.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,171,892.40 : 22,757,838.60 = 8,688,312.20 : x
  2. Step 2: Convert to fraction form
    15,171,892.40/22,757,838.60 = 8,688,312.20/x
  3. Step 3: Cross multiply
    15,171,892.40x = 22,757,838.60 × 8,688,312.20
  4. Step 4: Simplify right side
    15,171,892.40x = 197,727,206,754,010.91
  5. Step 5: Solve for x
    x = 197,727,206,754,010.91/15,171,892.40
  6. Step 6: Final answer
    x = 13,032,468.30

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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.