Home / 20,178,044.80-30,267,067.20-19,062,018.70

Finding the Fourth Proportional to 20,178,044.80, 30,267,067.20 and 19,062,018.70

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Solution

The fourth proportional to 20,178,044.80, 30,267,067.20 and 19,062,018.70 is: 28,593,028.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,178,044.80 : 30,267,067.20 = 19,062,018.70 : x
  2. Step 2: Convert to fraction form
    20,178,044.80/30,267,067.20 = 19,062,018.70/x
  3. Step 3: Cross multiply
    20,178,044.80x = 30,267,067.20 × 19,062,018.70
  4. Step 4: Simplify right side
    20,178,044.80x = 576,951,400,960,556.62
  5. Step 5: Solve for x
    x = 576,951,400,960,556.62/20,178,044.80
  6. Step 6: Final answer
    x = 28,593,028.05

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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.