Home / 8,138,728.20-12,208,092.30-3,349,854.30

Finding the Fourth Proportional to 8,138,728.20, 12,208,092.30 and 3,349,854.30

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Solution

The fourth proportional to 8,138,728.20, 12,208,092.30 and 3,349,854.30 is: 5,024,781.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,138,728.20 : 12,208,092.30 = 3,349,854.30 : x
  2. Step 2: Convert to fraction form
    8,138,728.20/12,208,092.30 = 3,349,854.30/x
  3. Step 3: Cross multiply
    8,138,728.20x = 12,208,092.30 × 3,349,854.30
  4. Step 4: Simplify right side
    8,138,728.20x = 40,895,330,485,951.89
  5. Step 5: Solve for x
    x = 40,895,330,485,951.89/8,138,728.20
  6. Step 6: Final answer
    x = 5,024,781.45

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Double scale
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Similar ratio
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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.