Home / 8,065,531.80-12,098,297.70-7,449,672.60

Finding the Fourth Proportional to 8,065,531.80, 12,098,297.70 and 7,449,672.60

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Solution

The fourth proportional to 8,065,531.80, 12,098,297.70 and 7,449,672.60 is: 11,174,508.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,065,531.80 : 12,098,297.70 = 7,449,672.60 : x
  2. Step 2: Convert to fraction form
    8,065,531.80/12,098,297.70 = 7,449,672.60/x
  3. Step 3: Cross multiply
    8,065,531.80x = 12,098,297.70 × 7,449,672.60
  4. Step 4: Simplify right side
    8,065,531.80x = 90,128,356,882,333.02
  5. Step 5: Solve for x
    x = 90,128,356,882,333.02/8,065,531.80
  6. Step 6: Final answer
    x = 11,174,508.90

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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.