Home / 8,510,318.40-12,765,477.60-8,090,414.40

Finding the Fourth Proportional to 8,510,318.40, 12,765,477.60 and 8,090,414.40

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Solution

The fourth proportional to 8,510,318.40, 12,765,477.60 and 8,090,414.40 is: 12,135,621.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,510,318.40 : 12,765,477.60 = 8,090,414.40 : x
  2. Step 2: Convert to fraction form
    8,510,318.40/12,765,477.60 = 8,090,414.40/x
  3. Step 3: Cross multiply
    8,510,318.40x = 12,765,477.60 × 8,090,414.40
  4. Step 4: Simplify right side
    8,510,318.40x = 103,278,003,797,917.44
  5. Step 5: Solve for x
    x = 103,278,003,797,917.44/8,510,318.40
  6. Step 6: Final answer
    x = 12,135,621.60

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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.