Home / 20,049,571.20-27,667,666.56-10,882,017.28

Finding the Fourth Proportional to 20,049,571.20, 27,667,666.56 and 10,882,017.28

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Solution

The fourth proportional to 20,049,571.20, 27,667,666.56 and 10,882,017.28 is: 15,016,781.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,049,571.20 : 27,667,666.56 = 10,882,017.28 : x
  2. Step 2: Convert to fraction form
    20,049,571.20/27,667,666.56 = 10,882,017.28/x
  3. Step 3: Cross multiply
    20,049,571.20x = 27,667,666.56 × 10,882,017.28
  4. Step 4: Simplify right side
    20,049,571.20x = 301,080,025,603,198.12
  5. Step 5: Solve for x
    x = 301,080,025,603,198.12/20,049,571.20
  6. Step 6: Final answer
    x = 15,016,781.29

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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.