Home / 18,454,406.10-27,681,609.15-11,279,952.60

Finding the Fourth Proportional to 18,454,406.10, 27,681,609.15 and 11,279,952.60

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Solution

The fourth proportional to 18,454,406.10, 27,681,609.15 and 11,279,952.60 is: 16,919,928.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,454,406.10 : 27,681,609.15 = 11,279,952.60 : x
  2. Step 2: Convert to fraction form
    18,454,406.10/27,681,609.15 = 11,279,952.60/x
  3. Step 3: Cross multiply
    18,454,406.10x = 27,681,609.15 × 11,279,952.60
  4. Step 4: Simplify right side
    18,454,406.10x = 312,247,239,103,726.25
  5. Step 5: Solve for x
    x = 312,247,239,103,726.25/18,454,406.10
  6. Step 6: Final answer
    x = 16,919,928.90

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Similar ratio
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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.