Home / 15,055,836.39-20,777,243.18-8,180,433.27

Finding the Fourth Proportional to 15,055,836.39, 20,777,243.18 and 8,180,433.27

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Solution

The fourth proportional to 15,055,836.39, 20,777,243.18 and 8,180,433.27 is: 11,289,100.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,055,836.39 : 20,777,243.18 = 8,180,433.27 : x
  2. Step 2: Convert to fraction form
    15,055,836.39/20,777,243.18 = 8,180,433.27/x
  3. Step 3: Cross multiply
    15,055,836.39x = 20,777,243.18 × 8,180,433.27
  4. Step 4: Simplify right side
    15,055,836.39x = 169,966,851,327,650.44
  5. Step 5: Solve for x
    x = 169,966,851,327,650.44/15,055,836.39
  6. Step 6: Final answer
    x = 11,289,100.58

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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.