Home / 20,542,458.24-28,348,585.92-11,375,098.56

Finding the Fourth Proportional to 20,542,458.24, 28,348,585.92 and 11,375,098.56

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Solution

The fourth proportional to 20,542,458.24, 28,348,585.92 and 11,375,098.56 is: 15,697,632.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,542,458.24 : 28,348,585.92 = 11,375,098.56 : x
  2. Step 2: Convert to fraction form
    20,542,458.24/28,348,585.92 = 11,375,098.56/x
  3. Step 3: Cross multiply
    20,542,458.24x = 28,348,585.92 × 11,375,098.56
  4. Step 4: Simplify right side
    20,542,458.24x = 322,467,958,876,628.31
  5. Step 5: Solve for x
    x = 322,467,958,876,628.31/20,542,458.24
  6. Step 6: Final answer
    x = 15,697,632.44

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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.