Home / 12,444,131.88-18,672,890.10-11,991,185.04

Finding the Fourth Proportional to 12,444,131.88, 18,672,890.10 and 11,991,185.04

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Solution

The fourth proportional to 12,444,131.88, 18,672,890.10 and 11,991,185.04 is: 17,993,226.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,444,131.88 : 18,672,890.10 = 11,991,185.04 : x
  2. Step 2: Convert to fraction form
    12,444,131.88/18,672,890.10 = 11,991,185.04/x
  3. Step 3: Cross multiply
    12,444,131.88x = 18,672,890.10 × 11,991,185.04
  4. Step 4: Simplify right side
    12,444,131.88x = 223,910,080,420,684.09
  5. Step 5: Solve for x
    x = 223,910,080,420,684.09/12,444,131.88
  6. Step 6: Final answer
    x = 17,993,226.25

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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.