Home / 8,263,560.40-12,395,340.60-8,216,321.20

Finding the Fourth Proportional to 8,263,560.40, 12,395,340.60 and 8,216,321.20

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Solution

The fourth proportional to 8,263,560.40, 12,395,340.60 and 8,216,321.20 is: 12,324,481.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,263,560.40 : 12,395,340.60 = 8,216,321.20 : x
  2. Step 2: Convert to fraction form
    8,263,560.40/12,395,340.60 = 8,216,321.20/x
  3. Step 3: Cross multiply
    8,263,560.40x = 12,395,340.60 × 8,216,321.20
  4. Step 4: Simplify right side
    8,263,560.40x = 101,844,099,753,000.72
  5. Step 5: Solve for x
    x = 101,844,099,753,000.72/8,263,560.40
  6. Step 6: Final answer
    x = 12,324,481.80

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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.