Home / 18,835,791.60-28,253,687.40-9,257,314.80

Finding the Fourth Proportional to 18,835,791.60, 28,253,687.40 and 9,257,314.80

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Solution

The fourth proportional to 18,835,791.60, 28,253,687.40 and 9,257,314.80 is: 13,885,972.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,835,791.60 : 28,253,687.40 = 9,257,314.80 : x
  2. Step 2: Convert to fraction form
    18,835,791.60/28,253,687.40 = 9,257,314.80/x
  3. Step 3: Cross multiply
    18,835,791.60x = 28,253,687.40 × 9,257,314.80
  4. Step 4: Simplify right side
    18,835,791.60x = 261,553,278,522,593.53
  5. Step 5: Solve for x
    x = 261,553,278,522,593.53/18,835,791.60
  6. Step 6: Final answer
    x = 13,885,972.20

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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.