Home / 18,561,025.68-25,617,293.94-10,826,067.78

Finding the Fourth Proportional to 18,561,025.68, 25,617,293.94 and 10,826,067.78

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Solution

The fourth proportional to 18,561,025.68, 25,617,293.94 and 10,826,067.78 is: 14,941,769.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,561,025.68 : 25,617,293.94 = 10,826,067.78 : x
  2. Step 2: Convert to fraction form
    18,561,025.68/25,617,293.94 = 10,826,067.78/x
  3. Step 3: Cross multiply
    18,561,025.68x = 25,617,293.94 × 10,826,067.78
  4. Step 4: Simplify right side
    18,561,025.68x = 277,334,560,534,623.25
  5. Step 5: Solve for x
    x = 277,334,560,534,623.25/18,561,025.68
  6. Step 6: Final answer
    x = 14,941,769.13

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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.