Home / 20,589,610.38-28,413,695.79-11,422,253.22

Finding the Fourth Proportional to 20,589,610.38, 28,413,695.79 and 11,422,253.22

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Solution

The fourth proportional to 20,589,610.38, 28,413,695.79 and 11,422,253.22 is: 15,762,728.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,589,610.38 : 28,413,695.79 = 11,422,253.22 : x
  2. Step 2: Convert to fraction form
    20,589,610.38/28,413,695.79 = 11,422,253.22/x
  3. Step 3: Cross multiply
    20,589,610.38x = 28,413,695.79 × 11,422,253.22
  4. Step 4: Simplify right side
    20,589,610.38x = 324,548,428,229,427.94
  5. Step 5: Solve for x
    x = 324,548,428,229,427.94/20,589,610.38
  6. Step 6: Final answer
    x = 15,762,728.01

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1.5x scale

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.