Home / 10,221,713.70-15,332,570.55-9,591,857.70

Finding the Fourth Proportional to 10,221,713.70, 15,332,570.55 and 9,591,857.70

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Solution

The fourth proportional to 10,221,713.70, 15,332,570.55 and 9,591,857.70 is: 14,387,786.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,221,713.70 : 15,332,570.55 = 9,591,857.70 : x
  2. Step 2: Convert to fraction form
    10,221,713.70/15,332,570.55 = 9,591,857.70/x
  3. Step 3: Cross multiply
    10,221,713.70x = 15,332,570.55 × 9,591,857.70
  4. Step 4: Simplify right side
    10,221,713.70x = 147,067,834,890,810.72
  5. Step 5: Solve for x
    x = 147,067,834,890,810.72/10,221,713.70
  6. Step 6: Final answer
    x = 14,387,786.55

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.