Home / 13,431,255.13-18,534,591.35-7,319,552.41

Finding the Fourth Proportional to 13,431,255.13, 18,534,591.35 and 7,319,552.41

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Solution

The fourth proportional to 13,431,255.13, 18,534,591.35 and 7,319,552.41 is: 10,100,687.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,431,255.13 : 18,534,591.35 = 7,319,552.41 : x
  2. Step 2: Convert to fraction form
    13,431,255.13/18,534,591.35 = 7,319,552.41/x
  3. Step 3: Cross multiply
    13,431,255.13x = 18,534,591.35 × 7,319,552.41
  4. Step 4: Simplify right side
    13,431,255.13x = 135,664,912,747,659.89
  5. Step 5: Solve for x
    x = 135,664,912,747,659.89/13,431,255.13
  6. Step 6: Final answer
    x = 10,100,687.64

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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.