Home / 12,825,085.78-19,250,591.64-11,375,635.60

Finding the Fourth Proportional to 12,825,085.78, 19,250,591.64 and 11,375,635.60

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Solution

The fourth proportional to 12,825,085.78, 19,250,591.64 and 11,375,635.60 is: 17,074,951.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,825,085.78 : 19,250,591.64 = 11,375,635.60 : x
  2. Step 2: Convert to fraction form
    12,825,085.78/19,250,591.64 = 11,375,635.60/x
  3. Step 3: Cross multiply
    12,825,085.78x = 19,250,591.64 × 11,375,635.60
  4. Step 4: Simplify right side
    12,825,085.78x = 218,987,715,581,046.38
  5. Step 5: Solve for x
    x = 218,987,715,581,046.38/12,825,085.78
  6. Step 6: Final answer
    x = 17,074,951.34

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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.