Home / 15,040,441.39-20,756,061.26-8,164,923.25

Finding the Fourth Proportional to 15,040,441.39, 20,756,061.26 and 8,164,923.25

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Solution

The fourth proportional to 15,040,441.39, 20,756,061.26 and 8,164,923.25 is: 11,267,730.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,040,441.39 : 20,756,061.26 = 8,164,923.25 : x
  2. Step 2: Convert to fraction form
    15,040,441.39/20,756,061.26 = 8,164,923.25/x
  3. Step 3: Cross multiply
    15,040,441.39x = 20,756,061.26 × 8,164,923.25
  4. Step 4: Simplify right side
    15,040,441.39x = 169,471,647,160,198.31
  5. Step 5: Solve for x
    x = 169,471,647,160,198.31/15,040,441.39
  6. Step 6: Final answer
    x = 11,267,730.96

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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.