Home / 20,178,049.30-30,267,073.98-19,062,023.20

Finding the Fourth Proportional to 20,178,049.30, 30,267,073.98 and 19,062,023.20

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Solution

The fourth proportional to 20,178,049.30, 30,267,073.98 and 19,062,023.20 is: 28,593,034.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,178,049.30 : 30,267,073.98 = 19,062,023.20 : x
  2. Step 2: Convert to fraction form
    20,178,049.30/30,267,073.98 = 19,062,023.20/x
  3. Step 3: Cross multiply
    20,178,049.30x = 30,267,073.98 × 19,062,023.20
  4. Step 4: Simplify right side
    20,178,049.30x = 576,951,666,402,876.38
  5. Step 5: Solve for x
    x = 576,951,666,402,876.38/20,178,049.30
  6. Step 6: Final answer
    x = 28,593,034.83

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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.