Home / 28,377,451.53-39,160,882.76-15,324,709.30

Finding the Fourth Proportional to 28,377,451.53, 39,160,882.76 and 15,324,709.30

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Solution

The fourth proportional to 28,377,451.53, 39,160,882.76 and 15,324,709.30 is: 21,148,098.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,377,451.53 : 39,160,882.76 = 15,324,709.30 : x
  2. Step 2: Convert to fraction form
    28,377,451.53/39,160,882.76 = 15,324,709.30/x
  3. Step 3: Cross multiply
    28,377,451.53x = 39,160,882.76 × 15,324,709.30
  4. Step 4: Simplify right side
    28,377,451.53x = 600,129,144,228,381.62
  5. Step 5: Solve for x
    x = 600,129,144,228,381.62/28,377,451.53
  6. Step 6: Final answer
    x = 21,148,098.64

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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.