Home / 27,192,373.67-40,761,287.78-12,629,520.30

Finding the Fourth Proportional to 27,192,373.67, 40,761,287.78 and 12,629,520.30

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Solution

The fourth proportional to 27,192,373.67, 40,761,287.78 and 12,629,520.30 is: 18,931,613.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,192,373.67 : 40,761,287.78 = 12,629,520.30 : x
  2. Step 2: Convert to fraction form
    27,192,373.67/40,761,287.78 = 12,629,520.30/x
  3. Step 3: Cross multiply
    27,192,373.67x = 40,761,287.78 × 12,629,520.30
  4. Step 4: Simplify right side
    27,192,373.67x = 514,795,511,408,504.38
  5. Step 5: Solve for x
    x = 514,795,511,408,504.38/27,192,373.67
  6. Step 6: Final answer
    x = 18,931,613.61

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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.