Home / 10,363,487.20-15,545,230.80-8,198,648.80

Finding the Fourth Proportional to 10,363,487.20, 15,545,230.80 and 8,198,648.80

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Solution

The fourth proportional to 10,363,487.20, 15,545,230.80 and 8,198,648.80 is: 12,297,973.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,363,487.20 : 15,545,230.80 = 8,198,648.80 : x
  2. Step 2: Convert to fraction form
    10,363,487.20/15,545,230.80 = 8,198,648.80/x
  3. Step 3: Cross multiply
    10,363,487.20x = 15,545,230.80 × 8,198,648.80
  4. Step 4: Simplify right side
    10,363,487.20x = 127,449,887,844,143.05
  5. Step 5: Solve for x
    x = 127,449,887,844,143.05/10,363,487.20
  6. Step 6: Final answer
    x = 12,297,973.20

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Double scale
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Similar ratio
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1.5x scale

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.