Home / 21,960,761.55-30,288,179.92-19,305,932.61

Finding the Fourth Proportional to 21,960,761.55, 30,288,179.92 and 19,305,932.61

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Solution

The fourth proportional to 21,960,761.55, 30,288,179.92 and 19,305,932.61 is: 26,626,652.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,960,761.55 : 30,288,179.92 = 19,305,932.61 : x
  2. Step 2: Convert to fraction form
    21,960,761.55/30,288,179.92 = 19,305,932.61/x
  3. Step 3: Cross multiply
    21,960,761.55x = 30,288,179.92 × 19,305,932.61
  4. Step 4: Simplify right side
    21,960,761.55x = 584,741,560,415,075.25
  5. Step 5: Solve for x
    x = 584,741,560,415,075.25/21,960,761.55
  6. Step 6: Final answer
    x = 26,626,652.23

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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.