Home / 25,578,082.20-38,367,123.30-19,867,387.80

Finding the Fourth Proportional to 25,578,082.20, 38,367,123.30 and 19,867,387.80

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Solution

The fourth proportional to 25,578,082.20, 38,367,123.30 and 19,867,387.80 is: 29,801,081.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,578,082.20 : 38,367,123.30 = 19,867,387.80 : x
  2. Step 2: Convert to fraction form
    25,578,082.20/38,367,123.30 = 19,867,387.80/x
  3. Step 3: Cross multiply
    25,578,082.20x = 38,367,123.30 × 19,867,387.80
  4. Step 4: Simplify right side
    25,578,082.20x = 762,254,517,371,515.75
  5. Step 5: Solve for x
    x = 762,254,517,371,515.75/25,578,082.20
  6. Step 6: Final answer
    x = 29,801,081.70

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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.