Home / 13,674,149.12-18,876,136.33-8,520,057.16

Finding the Fourth Proportional to 13,674,149.12, 18,876,136.33 and 8,520,057.16

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Solution

The fourth proportional to 13,674,149.12, 18,876,136.33 and 8,520,057.16 is: 11,761,299.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,674,149.12 : 18,876,136.33 = 8,520,057.16 : x
  2. Step 2: Convert to fraction form
    13,674,149.12/18,876,136.33 = 8,520,057.16/x
  3. Step 3: Cross multiply
    13,674,149.12x = 18,876,136.33 × 8,520,057.16
  4. Step 4: Simplify right side
    13,674,149.12x = 160,825,760,491,552.62
  5. Step 5: Solve for x
    x = 160,825,760,491,552.62/13,674,149.12
  6. Step 6: Final answer
    x = 11,761,299.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.