Home / 49,379,406-74,068,897.45-12,491,645.14

Finding the Fourth Proportional to 49,379,406, 74,068,897.45 and 12,491,645.14

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Solution

The fourth proportional to 49,379,406, 74,068,897.45 and 12,491,645.14 is: 18,737,414.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,379,406 : 74,068,897.45 = 12,491,645.14 : x
  2. Step 2: Convert to fraction form
    49,379,406/74,068,897.45 = 12,491,645.14/x
  3. Step 3: Cross multiply
    49,379,406x = 74,068,897.45 × 12,491,645.14
  4. Step 4: Simplify right side
    49,379,406x = 925,242,382,856,451
  5. Step 5: Solve for x
    x = 925,242,382,856,451/49,379,406
  6. Step 6: Final answer
    x = 18,737,414.19

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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.