Home / 10,987,299.76-15,161,381.19-6,342,581.15

Finding the Fourth Proportional to 10,987,299.76, 15,161,381.19 and 6,342,581.15

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Solution

The fourth proportional to 10,987,299.76, 15,161,381.19 and 6,342,581.15 is: 8,752,131.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,987,299.76 : 15,161,381.19 = 6,342,581.15 : x
  2. Step 2: Convert to fraction form
    10,987,299.76/15,161,381.19 = 6,342,581.15/x
  3. Step 3: Cross multiply
    10,987,299.76x = 15,161,381.19 × 6,342,581.15
  4. Step 4: Simplify right side
    10,987,299.76x = 96,162,290,543,658.58
  5. Step 5: Solve for x
    x = 96,162,290,543,658.58/10,987,299.76
  6. Step 6: Final answer
    x = 8,752,131.34

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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.