Home / 18,403,976.20-27,605,964.30-5,450,593.90

Finding the Fourth Proportional to 18,403,976.20, 27,605,964.30 and 5,450,593.90

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Solution

The fourth proportional to 18,403,976.20, 27,605,964.30 and 5,450,593.90 is: 8,175,890.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,403,976.20 : 27,605,964.30 = 5,450,593.90 : x
  2. Step 2: Convert to fraction form
    18,403,976.20/27,605,964.30 = 5,450,593.90/x
  3. Step 3: Cross multiply
    18,403,976.20x = 27,605,964.30 × 5,450,593.90
  4. Step 4: Simplify right side
    18,403,976.20x = 150,468,900,617,197.78
  5. Step 5: Solve for x
    x = 150,468,900,617,197.78/18,403,976.20
  6. Step 6: Final answer
    x = 8,175,890.85

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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.