Home / 8,059,173.40-12,088,760.10-5,665,720.60

Finding the Fourth Proportional to 8,059,173.40, 12,088,760.10 and 5,665,720.60

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Solution

The fourth proportional to 8,059,173.40, 12,088,760.10 and 5,665,720.60 is: 8,498,580.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,059,173.40 : 12,088,760.10 = 5,665,720.60 : x
  2. Step 2: Convert to fraction form
    8,059,173.40/12,088,760.10 = 5,665,720.60/x
  3. Step 3: Cross multiply
    8,059,173.40x = 12,088,760.10 × 5,665,720.60
  4. Step 4: Simplify right side
    8,059,173.40x = 68,491,537,127,028.05
  5. Step 5: Solve for x
    x = 68,491,537,127,028.05/8,059,173.40
  6. Step 6: Final answer
    x = 8,498,580.90

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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.