Home / 20,178,045.30-30,267,067.95-19,062,019.20

Finding the Fourth Proportional to 20,178,045.30, 30,267,067.95 and 19,062,019.20

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Solution

The fourth proportional to 20,178,045.30, 30,267,067.95 and 19,062,019.20 is: 28,593,028.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,178,045.30 : 30,267,067.95 = 19,062,019.20 : x
  2. Step 2: Convert to fraction form
    20,178,045.30/30,267,067.95 = 19,062,019.20/x
  3. Step 3: Cross multiply
    20,178,045.30x = 30,267,067.95 × 19,062,019.20
  4. Step 4: Simplify right side
    20,178,045.30x = 576,951,430,390,604.62
  5. Step 5: Solve for x
    x = 576,951,430,390,604.62/20,178,045.30
  6. Step 6: Final answer
    x = 28,593,028.80

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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.