Home / 8,279,909.96-12,419,153.42-5,040,606.92

Finding the Fourth Proportional to 8,279,909.96, 12,419,153.42 and 5,040,606.92

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Solution

The fourth proportional to 8,279,909.96, 12,419,153.42 and 5,040,606.92 is: 7,560,477.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,279,909.96 : 12,419,153.42 = 5,040,606.92 : x
  2. Step 2: Convert to fraction form
    8,279,909.96/12,419,153.42 = 5,040,606.92/x
  3. Step 3: Cross multiply
    8,279,909.96x = 12,419,153.42 × 5,040,606.92
  4. Step 4: Simplify right side
    8,279,909.96x = 62,600,070,669,393.66
  5. Step 5: Solve for x
    x = 62,600,070,669,393.66/8,279,909.96
  6. Step 6: Final answer
    x = 7,560,477.22

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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.