Home / 8,126,469.60-12,189,704.40-7,244,671.20

Finding the Fourth Proportional to 8,126,469.60, 12,189,704.40 and 7,244,671.20

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Solution

The fourth proportional to 8,126,469.60, 12,189,704.40 and 7,244,671.20 is: 10,867,006.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,126,469.60 : 12,189,704.40 = 7,244,671.20 : x
  2. Step 2: Convert to fraction form
    8,126,469.60/12,189,704.40 = 7,244,671.20/x
  3. Step 3: Cross multiply
    8,126,469.60x = 12,189,704.40 × 7,244,671.20
  4. Step 4: Simplify right side
    8,126,469.60x = 88,310,400,403,193.28
  5. Step 5: Solve for x
    x = 88,310,400,403,193.28/8,126,469.60
  6. Step 6: Final answer
    x = 10,867,006.80

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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.