Home / 25,127,974.20-37,691,961.30-8,972,167.80

Finding the Fourth Proportional to 25,127,974.20, 37,691,961.30 and 8,972,167.80

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Solution

The fourth proportional to 25,127,974.20, 37,691,961.30 and 8,972,167.80 is: 13,458,251.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,127,974.20 : 37,691,961.30 = 8,972,167.80 : x
  2. Step 2: Convert to fraction form
    25,127,974.20/37,691,961.30 = 8,972,167.80/x
  3. Step 3: Cross multiply
    25,127,974.20x = 37,691,961.30 × 8,972,167.80
  4. Step 4: Simplify right side
    25,127,974.20x = 338,178,601,494,706.12
  5. Step 5: Solve for x
    x = 338,178,601,494,706.12/25,127,974.20
  6. Step 6: Final answer
    x = 13,458,251.70

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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.