Home / 13,192,207.54-18,207,168.37-7,391,381.38

Finding the Fourth Proportional to 13,192,207.54, 18,207,168.37 and 7,391,381.38

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Solution

The fourth proportional to 13,192,207.54, 18,207,168.37 and 7,391,381.38 is: 10,201,183.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,192,207.54 : 18,207,168.37 = 7,391,381.38 : x
  2. Step 2: Convert to fraction form
    13,192,207.54/18,207,168.37 = 7,391,381.38/x
  3. Step 3: Cross multiply
    13,192,207.54x = 18,207,168.37 × 7,391,381.38
  4. Step 4: Simplify right side
    13,192,207.54x = 134,576,125,272,542.95
  5. Step 5: Solve for x
    x = 134,576,125,272,542.95/13,192,207.54
  6. Step 6: Final answer
    x = 10,201,183.15

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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.