Home / 8,205,087.40-12,307,631.10-5,654,170.60

Finding the Fourth Proportional to 8,205,087.40, 12,307,631.10 and 5,654,170.60

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Solution

The fourth proportional to 8,205,087.40, 12,307,631.10 and 5,654,170.60 is: 8,481,255.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,205,087.40 : 12,307,631.10 = 5,654,170.60 : x
  2. Step 2: Convert to fraction form
    8,205,087.40/12,307,631.10 = 5,654,170.60/x
  3. Step 3: Cross multiply
    8,205,087.40x = 12,307,631.10 × 5,654,170.60
  4. Step 4: Simplify right side
    8,205,087.40x = 69,589,445,921,265.66
  5. Step 5: Solve for x
    x = 69,589,445,921,265.66/8,205,087.40
  6. Step 6: Final answer
    x = 8,481,255.90

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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.