Home / 38,216,355.30-52,738,203.20-20,812,991.13

Finding the Fourth Proportional to 38,216,355.30, 52,738,203.20 and 20,812,991.13

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Solution

The fourth proportional to 38,216,355.30, 52,738,203.20 and 20,812,991.13 is: 28,721,727.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,216,355.30 : 52,738,203.20 = 20,812,991.13 : x
  2. Step 2: Convert to fraction form
    38,216,355.30/52,738,203.20 = 20,812,991.13/x
  3. Step 3: Cross multiply
    38,216,355.30x = 52,738,203.20 × 20,812,991.13
  4. Step 4: Simplify right side
    38,216,355.30x = 1,097,639,755,309,672.62
  5. Step 5: Solve for x
    x = 1,097,639,755,309,672.62/38,216,355.30
  6. Step 6: Final answer
    x = 28,721,727.82

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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.