Home / 20,568,414-28,384,230.26-11,275,815.20

Finding the Fourth Proportional to 20,568,414, 28,384,230.26 and 11,275,815.20

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Solution

The fourth proportional to 20,568,414, 28,384,230.26 and 11,275,815.20 is: 15,560,525.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,568,414 : 28,384,230.26 = 11,275,815.20 : x
  2. Step 2: Convert to fraction form
    20,568,414/28,384,230.26 = 11,275,815.20/x
  3. Step 3: Cross multiply
    20,568,414x = 28,384,230.26 × 11,275,815.20
  4. Step 4: Simplify right side
    20,568,414x = 320,055,335,006,007.94
  5. Step 5: Solve for x
    x = 320,055,335,006,007.94/20,568,414
  6. Step 6: Final answer
    x = 15,560,525.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.