Home / 38,081,011.46-57,123,354.28-12,521,454.98

Finding the Fourth Proportional to 38,081,011.46, 57,123,354.28 and 12,521,454.98

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Solution

The fourth proportional to 38,081,011.46, 57,123,354.28 and 12,521,454.98 is: 18,782,786.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,081,011.46 : 57,123,354.28 = 12,521,454.98 : x
  2. Step 2: Convert to fraction form
    38,081,011.46/57,123,354.28 = 12,521,454.98/x
  3. Step 3: Cross multiply
    38,081,011.46x = 57,123,354.28 × 12,521,454.98
  4. Step 4: Simplify right side
    38,081,011.46x = 715,267,508,923,610.38
  5. Step 5: Solve for x
    x = 715,267,508,923,610.38/38,081,011.46
  6. Step 6: Final answer
    x = 18,782,786.53

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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.