Home / 6,520,822.20-9,777,345.30-3,998,287.80

Finding the Fourth Proportional to 6,520,822.20, 9,777,345.30 and 3,998,287.80

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Solution

The fourth proportional to 6,520,822.20, 9,777,345.30 and 3,998,287.80 is: 5,995,047.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,520,822.20 : 9,777,345.30 = 3,998,287.80 : x
  2. Step 2: Convert to fraction form
    6,520,822.20/9,777,345.30 = 3,998,287.80/x
  3. Step 3: Cross multiply
    6,520,822.20x = 9,777,345.30 × 3,998,287.80
  4. Step 4: Simplify right side
    6,520,822.20x = 39,092,640,429,377.34
  5. Step 5: Solve for x
    x = 39,092,640,429,377.34/6,520,822.20
  6. Step 6: Final answer
    x = 5,995,047.75

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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.