Home / 8,309,079.40-12,463,619.10-5,472,394.60

Finding the Fourth Proportional to 8,309,079.40, 12,463,619.10 and 5,472,394.60

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Solution

The fourth proportional to 8,309,079.40, 12,463,619.10 and 5,472,394.60 is: 8,208,591.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,309,079.40 : 12,463,619.10 = 5,472,394.60 : x
  2. Step 2: Convert to fraction form
    8,309,079.40/12,463,619.10 = 5,472,394.60/x
  3. Step 3: Cross multiply
    8,309,079.40x = 12,463,619.10 × 5,472,394.60
  4. Step 4: Simplify right side
    8,309,079.40x = 68,205,841,859,296.85
  5. Step 5: Solve for x
    x = 68,205,841,859,296.85/8,309,079.40
  6. Step 6: Final answer
    x = 8,208,591.90

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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.