Home / 20,438,194.23-30,527,003.46-18,489,930.93

Finding the Fourth Proportional to 20,438,194.23, 30,527,003.46 and 18,489,930.93

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Solution

The fourth proportional to 20,438,194.23, 30,527,003.46 and 18,489,930.93 is: 27,617,028.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,438,194.23 : 30,527,003.46 = 18,489,930.93 : x
  2. Step 2: Convert to fraction form
    20,438,194.23/30,527,003.46 = 18,489,930.93/x
  3. Step 3: Cross multiply
    20,438,194.23x = 30,527,003.46 × 18,489,930.93
  4. Step 4: Simplify right side
    20,438,194.23x = 564,442,185,382,821.38
  5. Step 5: Solve for x
    x = 564,442,185,382,821.38/20,438,194.23
  6. Step 6: Final answer
    x = 27,617,028.15

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.