Home / 40,491,724.76-60,743,885.70-13,191,662.09

Finding the Fourth Proportional to 40,491,724.76, 60,743,885.70 and 13,191,662.09

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Solution

The fourth proportional to 40,491,724.76, 60,743,885.70 and 13,191,662.09 is: 19,789,545.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,491,724.76 : 60,743,885.70 = 13,191,662.09 : x
  2. Step 2: Convert to fraction form
    40,491,724.76/60,743,885.70 = 13,191,662.09/x
  3. Step 3: Cross multiply
    40,491,724.76x = 60,743,885.70 × 13,191,662.09
  4. Step 4: Simplify right side
    40,491,724.76x = 801,312,814,187,983.12
  5. Step 5: Solve for x
    x = 801,312,814,187,983.12/40,491,724.76
  6. Step 6: Final answer
    x = 19,789,545.12

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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.