Home / 40,491,723.76-60,743,884.20-13,191,661.09

Finding the Fourth Proportional to 40,491,723.76, 60,743,884.20 and 13,191,661.09

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Solution

The fourth proportional to 40,491,723.76, 60,743,884.20 and 13,191,661.09 is: 19,789,543.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,491,723.76 : 60,743,884.20 = 13,191,661.09 : x
  2. Step 2: Convert to fraction form
    40,491,723.76/60,743,884.20 = 13,191,661.09/x
  3. Step 3: Cross multiply
    40,491,723.76x = 60,743,884.20 × 13,191,661.09
  4. Step 4: Simplify right side
    40,491,723.76x = 801,312,733,656,605.75
  5. Step 5: Solve for x
    x = 801,312,733,656,605.75/40,491,723.76
  6. Step 6: Final answer
    x = 19,789,543.62

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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.