Home / 18,154,715.20-27,204,079.20-15,747,265.60

Finding the Fourth Proportional to 18,154,715.20, 27,204,079.20 and 15,747,265.60

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Solution

The fourth proportional to 18,154,715.20, 27,204,079.20 and 15,747,265.60 is: 23,596,616.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,154,715.20 : 27,204,079.20 = 15,747,265.60 : x
  2. Step 2: Convert to fraction form
    18,154,715.20/27,204,079.20 = 15,747,265.60/x
  3. Step 3: Cross multiply
    18,154,715.20x = 27,204,079.20 × 15,747,265.60
  4. Step 4: Simplify right side
    18,154,715.20x = 428,389,860,565,835.50
  5. Step 5: Solve for x
    x = 428,389,860,565,835.50/18,154,715.20
  6. Step 6: Final answer
    x = 23,596,616.96

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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.