Home / 20,240,633.56-27,929,673.89-11,419,570.58

Finding the Fourth Proportional to 20,240,633.56, 27,929,673.89 and 11,419,570.58

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Solution

The fourth proportional to 20,240,633.56, 27,929,673.89 and 11,419,570.58 is: 15,757,653.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,240,633.56 : 27,929,673.89 = 11,419,570.58 : x
  2. Step 2: Convert to fraction form
    20,240,633.56/27,929,673.89 = 11,419,570.58/x
  3. Step 3: Cross multiply
    20,240,633.56x = 27,929,673.89 × 11,419,570.58
  4. Step 4: Simplify right side
    20,240,633.56x = 318,944,882,206,140.31
  5. Step 5: Solve for x
    x = 318,944,882,206,140.31/20,240,633.56
  6. Step 6: Final answer
    x = 15,757,653.11

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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.