Home / 20,491,375.33-30,737,062.86-7,714,746.37

Finding the Fourth Proportional to 20,491,375.33, 30,737,062.86 and 7,714,746.37

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Solution

The fourth proportional to 20,491,375.33, 30,737,062.86 and 7,714,746.37 is: 11,572,119.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,491,375.33 : 30,737,062.86 = 7,714,746.37 : x
  2. Step 2: Convert to fraction form
    20,491,375.33/30,737,062.86 = 7,714,746.37/x
  3. Step 3: Cross multiply
    20,491,375.33x = 30,737,062.86 × 7,714,746.37
  4. Step 4: Simplify right side
    20,491,375.33x = 237,128,644,123,646.81
  5. Step 5: Solve for x
    x = 237,128,644,123,646.81/20,491,375.33
  6. Step 6: Final answer
    x = 11,572,119.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.