Home / 18,580,264.92-25,642,775.52-11,242,144.80

Finding the Fourth Proportional to 18,580,264.92, 25,642,775.52 and 11,242,144.80

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Solution

The fourth proportional to 18,580,264.92, 25,642,775.52 and 11,242,144.80 is: 15,515,375.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,580,264.92 : 25,642,775.52 = 11,242,144.80 : x
  2. Step 2: Convert to fraction form
    18,580,264.92/25,642,775.52 = 11,242,144.80/x
  3. Step 3: Cross multiply
    18,580,264.92x = 25,642,775.52 × 11,242,144.80
  4. Step 4: Simplify right side
    18,580,264.92x = 288,279,795,469,735.31
  5. Step 5: Solve for x
    x = 288,279,795,469,735.31/18,580,264.92
  6. Step 6: Final answer
    x = 15,515,375.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.