Home / 18,542,498.40-27,813,747.60-12,156,458.40

Finding the Fourth Proportional to 18,542,498.40, 27,813,747.60 and 12,156,458.40

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Solution

The fourth proportional to 18,542,498.40, 27,813,747.60 and 12,156,458.40 is: 18,234,687.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,542,498.40 : 27,813,747.60 = 12,156,458.40 : x
  2. Step 2: Convert to fraction form
    18,542,498.40/27,813,747.60 = 12,156,458.40/x
  3. Step 3: Cross multiply
    18,542,498.40x = 27,813,747.60 × 12,156,458.40
  4. Step 4: Simplify right side
    18,542,498.40x = 338,116,665,647,499.88
  5. Step 5: Solve for x
    x = 338,116,665,647,499.88/18,542,498.40
  6. Step 6: Final answer
    x = 18,234,687.60

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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.