Home / 30,813,988.62-42,522,781.47-17,062,657.50

Finding the Fourth Proportional to 30,813,988.62, 42,522,781.47 and 17,062,657.50

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Solution

The fourth proportional to 30,813,988.62, 42,522,781.47 and 17,062,657.50 is: 23,546,177.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,813,988.62 : 42,522,781.47 = 17,062,657.50 : x
  2. Step 2: Convert to fraction form
    30,813,988.62/42,522,781.47 = 17,062,657.50/x
  3. Step 3: Cross multiply
    30,813,988.62x = 42,522,781.47 × 17,062,657.50
  4. Step 4: Simplify right side
    30,813,988.62x = 725,551,656,169,956.50
  5. Step 5: Solve for x
    x = 725,551,656,169,956.50/30,813,988.62
  6. Step 6: Final answer
    x = 23,546,177.85

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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.