Home / 8,101,076.40-12,151,614.60-7,975,105.20

Finding the Fourth Proportional to 8,101,076.40, 12,151,614.60 and 7,975,105.20

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Solution

The fourth proportional to 8,101,076.40, 12,151,614.60 and 7,975,105.20 is: 11,962,657.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,101,076.40 : 12,151,614.60 = 7,975,105.20 : x
  2. Step 2: Convert to fraction form
    8,101,076.40/12,151,614.60 = 7,975,105.20/x
  3. Step 3: Cross multiply
    8,101,076.40x = 12,151,614.60 × 7,975,105.20
  4. Step 4: Simplify right side
    8,101,076.40x = 96,910,404,784,855.92
  5. Step 5: Solve for x
    x = 96,910,404,784,855.92/8,101,076.40
  6. Step 6: Final answer
    x = 11,962,657.80

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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.