Home / 8,541,138.40-11,786,419.20-5,105,273.92

Finding the Fourth Proportional to 8,541,138.40, 11,786,419.20 and 5,105,273.92

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Solution

The fourth proportional to 8,541,138.40, 11,786,419.20 and 5,105,273.92 is: 7,045,067.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,541,138.40 : 11,786,419.20 = 5,105,273.92 : x
  2. Step 2: Convert to fraction form
    8,541,138.40/11,786,419.20 = 5,105,273.92/x
  3. Step 3: Cross multiply
    8,541,138.40x = 11,786,419.20 × 5,105,273.92
  4. Step 4: Simplify right side
    8,541,138.40x = 60,172,898,551,947.26
  5. Step 5: Solve for x
    x = 60,172,898,551,947.26/8,541,138.40
  6. Step 6: Final answer
    x = 7,045,067.73

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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.