Home / 12,070,505.85-18,105,758.78-5,693,213.85

Finding the Fourth Proportional to 12,070,505.85, 18,105,758.78 and 5,693,213.85

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Solution

The fourth proportional to 12,070,505.85, 18,105,758.78 and 5,693,213.85 is: 8,539,820.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,070,505.85 : 18,105,758.78 = 5,693,213.85 : x
  2. Step 2: Convert to fraction form
    12,070,505.85/18,105,758.78 = 5,693,213.85/x
  3. Step 3: Cross multiply
    12,070,505.85x = 18,105,758.78 × 5,693,213.85
  4. Step 4: Simplify right side
    12,070,505.85x = 103,079,956,622,589.02
  5. Step 5: Solve for x
    x = 103,079,956,622,589.02/12,070,505.85
  6. Step 6: Final answer
    x = 8,539,820.78

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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.