Home / 22,428,073.20-33,642,109.80-18,442,265.70

Finding the Fourth Proportional to 22,428,073.20, 33,642,109.80 and 18,442,265.70

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Solution

The fourth proportional to 22,428,073.20, 33,642,109.80 and 18,442,265.70 is: 27,663,398.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,428,073.20 : 33,642,109.80 = 18,442,265.70 : x
  2. Step 2: Convert to fraction form
    22,428,073.20/33,642,109.80 = 18,442,265.70/x
  3. Step 3: Cross multiply
    22,428,073.20x = 33,642,109.80 × 18,442,265.70
  4. Step 4: Simplify right side
    22,428,073.20x = 620,436,727,640,173.75
  5. Step 5: Solve for x
    x = 620,436,727,640,173.75/22,428,073.20
  6. Step 6: Final answer
    x = 27,663,398.55

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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.