Home / 49,379,401.75-74,068,891.07-12,491,640.89

Finding the Fourth Proportional to 49,379,401.75, 74,068,891.07 and 12,491,640.89

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Solution

The fourth proportional to 49,379,401.75, 74,068,891.07 and 12,491,640.89 is: 18,737,407.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,379,401.75 : 74,068,891.07 = 12,491,640.89 : x
  2. Step 2: Convert to fraction form
    49,379,401.75/74,068,891.07 = 12,491,640.89/x
  3. Step 3: Cross multiply
    49,379,401.75x = 74,068,891.07 × 12,491,640.89
  4. Step 4: Simplify right side
    49,379,401.75x = 925,241,988,366,967.75
  5. Step 5: Solve for x
    x = 925,241,988,366,967.75/49,379,401.75
  6. Step 6: Final answer
    x = 18,737,407.82

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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.