Home / 20,454,169.82-28,227,350.49-11,162,338.40

Finding the Fourth Proportional to 20,454,169.82, 28,227,350.49 and 11,162,338.40

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Solution

The fourth proportional to 20,454,169.82, 28,227,350.49 and 11,162,338.40 is: 15,404,352.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,454,169.82 : 28,227,350.49 = 11,162,338.40 : x
  2. Step 2: Convert to fraction form
    20,454,169.82/28,227,350.49 = 11,162,338.40/x
  3. Step 3: Cross multiply
    20,454,169.82x = 28,227,350.49 × 11,162,338.40
  4. Step 4: Simplify right side
    20,454,169.82x = 315,083,238,237,504.75
  5. Step 5: Solve for x
    x = 315,083,238,237,504.75/20,454,169.82
  6. Step 6: Final answer
    x = 15,404,352.31

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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.