Home / 11,491,812.30-17,237,718.45-8,090,589.90

Finding the Fourth Proportional to 11,491,812.30, 17,237,718.45 and 8,090,589.90

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Solution

The fourth proportional to 11,491,812.30, 17,237,718.45 and 8,090,589.90 is: 12,135,884.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,491,812.30 : 17,237,718.45 = 8,090,589.90 : x
  2. Step 2: Convert to fraction form
    11,491,812.30/17,237,718.45 = 8,090,589.90/x
  3. Step 3: Cross multiply
    11,491,812.30x = 17,237,718.45 × 8,090,589.90
  4. Step 4: Simplify right side
    11,491,812.30x = 139,463,310,790,613.66
  5. Step 5: Solve for x
    x = 139,463,310,790,613.66/11,491,812.30
  6. Step 6: Final answer
    x = 12,135,884.85

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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.