Home / 13,431,255.76-18,534,592.21-7,319,553.04

Finding the Fourth Proportional to 13,431,255.76, 18,534,592.21 and 7,319,553.04

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Solution

The fourth proportional to 13,431,255.76, 18,534,592.21 and 7,319,553.04 is: 10,100,688.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,431,255.76 : 18,534,592.21 = 7,319,553.04 : x
  2. Step 2: Convert to fraction form
    13,431,255.76/18,534,592.21 = 7,319,553.04/x
  3. Step 3: Cross multiply
    13,431,255.76x = 18,534,592.21 × 7,319,553.04
  4. Step 4: Simplify right side
    13,431,255.76x = 135,664,930,644,893.97
  5. Step 5: Solve for x
    x = 135,664,930,644,893.97/13,431,255.76
  6. Step 6: Final answer
    x = 10,100,688.51

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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.