Home / 13,045,375.26-18,003,217.10-7,244,179.79

Finding the Fourth Proportional to 13,045,375.26, 18,003,217.10 and 7,244,179.79

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Solution

The fourth proportional to 13,045,375.26, 18,003,217.10 and 7,244,179.79 is: 9,997,300.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,045,375.26 : 18,003,217.10 = 7,244,179.79 : x
  2. Step 2: Convert to fraction form
    13,045,375.26/18,003,217.10 = 7,244,179.79/x
  3. Step 3: Cross multiply
    13,045,375.26x = 18,003,217.10 × 7,244,179.79
  4. Step 4: Simplify right side
    13,045,375.26x = 130,418,541,344,565.42
  5. Step 5: Solve for x
    x = 130,418,541,344,565.42/13,045,375.26
  6. Step 6: Final answer
    x = 9,997,300.86

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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.