Home / 8,687,439.69-13,026,049.48-3,296,469.20

Finding the Fourth Proportional to 8,687,439.69, 13,026,049.48 and 3,296,469.20

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Solution

The fourth proportional to 8,687,439.69, 13,026,049.48 and 3,296,469.20 is: 4,942,764.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,687,439.69 : 13,026,049.48 = 3,296,469.20 : x
  2. Step 2: Convert to fraction form
    8,687,439.69/13,026,049.48 = 3,296,469.20/x
  3. Step 3: Cross multiply
    8,687,439.69x = 13,026,049.48 × 3,296,469.20
  4. Step 4: Simplify right side
    8,687,439.69x = 42,939,970,902,215.25
  5. Step 5: Solve for x
    x = 42,939,970,902,215.25/8,687,439.69
  6. Step 6: Final answer
    x = 4,942,764.78

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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.