Home / 39,178,082.20-58,767,123.30-28,428,539.80

Finding the Fourth Proportional to 39,178,082.20, 58,767,123.30 and 28,428,539.80

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Solution

The fourth proportional to 39,178,082.20, 58,767,123.30 and 28,428,539.80 is: 42,642,809.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,178,082.20 : 58,767,123.30 = 28,428,539.80 : x
  2. Step 2: Convert to fraction form
    39,178,082.20/58,767,123.30 = 28,428,539.80/x
  3. Step 3: Cross multiply
    39,178,082.20x = 58,767,123.30 × 28,428,539.80
  4. Step 4: Simplify right side
    39,178,082.20x = 1,670,663,503,665,557.25
  5. Step 5: Solve for x
    x = 1,670,663,503,665,557.25/39,178,082.20
  6. Step 6: Final answer
    x = 42,642,809.70

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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.