Home / 8,534,515.20-12,801,772.80-8,481,371.10

Finding the Fourth Proportional to 8,534,515.20, 12,801,772.80 and 8,481,371.10

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Solution

The fourth proportional to 8,534,515.20, 12,801,772.80 and 8,481,371.10 is: 12,722,056.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,534,515.20 : 12,801,772.80 = 8,481,371.10 : x
  2. Step 2: Convert to fraction form
    8,534,515.20/12,801,772.80 = 8,481,371.10/x
  3. Step 3: Cross multiply
    8,534,515.20x = 12,801,772.80 × 8,481,371.10
  4. Step 4: Simplify right side
    8,534,515.20x = 108,576,585,854,686.08
  5. Step 5: Solve for x
    x = 108,576,585,854,686.08/8,534,515.20
  6. Step 6: Final answer
    x = 12,722,056.65

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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.