Home / 21,720,187.20-32,587,368-10,359,159.84

Finding the Fourth Proportional to 21,720,187.20, 32,587,368 and 10,359,159.84

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Solution

The fourth proportional to 21,720,187.20, 32,587,368 and 10,359,159.84 is: 15,542,119.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,720,187.20 : 32,587,368 = 10,359,159.84 : x
  2. Step 2: Convert to fraction form
    21,720,187.20/32,587,368 = 10,359,159.84/x
  3. Step 3: Cross multiply
    21,720,187.20x = 32,587,368 × 10,359,159.84
  4. Step 4: Simplify right side
    21,720,187.20x = 337,577,753,876,901.12
  5. Step 5: Solve for x
    x = 337,577,753,876,901.12/21,720,187.20
  6. Step 6: Final answer
    x = 15,542,119.91

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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.