Home / 12,461,314.27-18,691,821-3,238,469.80

Finding the Fourth Proportional to 12,461,314.27, 18,691,821 and 3,238,469.80

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Solution

The fourth proportional to 12,461,314.27, 18,691,821 and 3,238,469.80 is: 4,857,665.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,461,314.27 : 18,691,821 = 3,238,469.80 : x
  2. Step 2: Convert to fraction form
    12,461,314.27/18,691,821 = 3,238,469.80/x
  3. Step 3: Cross multiply
    12,461,314.27x = 18,691,821 × 3,238,469.80
  4. Step 4: Simplify right side
    12,461,314.27x = 60,532,897,815,505.80
  5. Step 5: Solve for x
    x = 60,532,897,815,505.80/12,461,314.27
  6. Step 6: Final answer
    x = 4,857,665.61

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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.