Home / 18,192,387.20-27,288,580.80-13,063,981.55

Finding the Fourth Proportional to 18,192,387.20, 27,288,580.80 and 13,063,981.55

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Solution

The fourth proportional to 18,192,387.20, 27,288,580.80 and 13,063,981.55 is: 19,595,972.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,192,387.20 : 27,288,580.80 = 13,063,981.55 : x
  2. Step 2: Convert to fraction form
    18,192,387.20/27,288,580.80 = 13,063,981.55/x
  3. Step 3: Cross multiply
    18,192,387.20x = 27,288,580.80 × 13,063,981.55
  4. Step 4: Simplify right side
    18,192,387.20x = 356,497,516,096,884.25
  5. Step 5: Solve for x
    x = 356,497,516,096,884.25/18,192,387.20
  6. Step 6: Final answer
    x = 19,595,972.33

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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.