Home / 13,175,963.24-18,182,825.20-7,374,743.52

Finding the Fourth Proportional to 13,175,963.24, 18,182,825.20 and 7,374,743.52

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Solution

The fourth proportional to 13,175,963.24, 18,182,825.20 and 7,374,743.52 is: 10,177,143.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,175,963.24 : 18,182,825.20 = 7,374,743.52 : x
  2. Step 2: Convert to fraction form
    13,175,963.24/18,182,825.20 = 7,374,743.52/x
  3. Step 3: Cross multiply
    13,175,963.24x = 18,182,825.20 × 7,374,743.52
  4. Step 4: Simplify right side
    13,175,963.24x = 134,093,672,318,992.69
  5. Step 5: Solve for x
    x = 134,093,672,318,992.69/13,175,963.24
  6. Step 6: Final answer
    x = 10,177,143.78

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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.