Home / 12,132,174.88-18,207,301.06-8,902,059.25

Finding the Fourth Proportional to 12,132,174.88, 18,207,301.06 and 8,902,059.25

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Solution

The fourth proportional to 12,132,174.88, 18,207,301.06 and 8,902,059.25 is: 13,359,721.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,132,174.88 : 18,207,301.06 = 8,902,059.25 : x
  2. Step 2: Convert to fraction form
    12,132,174.88/18,207,301.06 = 8,902,059.25/x
  3. Step 3: Cross multiply
    12,132,174.88x = 18,207,301.06 × 8,902,059.25
  4. Step 4: Simplify right side
    12,132,174.88x = 162,082,472,818,707.78
  5. Step 5: Solve for x
    x = 162,082,472,818,707.78/12,132,174.88
  6. Step 6: Final answer
    x = 13,359,721.11

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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.