Home / 40,791,517.10-61,169,320.36-21,617,781.92

Finding the Fourth Proportional to 40,791,517.10, 61,169,320.36 and 21,617,781.92

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Solution

The fourth proportional to 40,791,517.10, 61,169,320.36 and 21,617,781.92 is: 32,417,157.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,791,517.10 : 61,169,320.36 = 21,617,781.92 : x
  2. Step 2: Convert to fraction form
    40,791,517.10/61,169,320.36 = 21,617,781.92/x
  3. Step 3: Cross multiply
    40,791,517.10x = 61,169,320.36 × 21,617,781.92
  4. Step 4: Simplify right side
    40,791,517.10x = 1,322,345,027,737,096
  5. Step 5: Solve for x
    x = 1,322,345,027,737,096/40,791,517.10
  6. Step 6: Final answer
    x = 32,417,157.33

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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.