Home / 22,428,042.30-33,642,063.45-18,840,815.55

Finding the Fourth Proportional to 22,428,042.30, 33,642,063.45 and 18,840,815.55

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Solution

The fourth proportional to 22,428,042.30, 33,642,063.45 and 18,840,815.55 is: 28,261,223.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,428,042.30 : 33,642,063.45 = 18,840,815.55 : x
  2. Step 2: Convert to fraction form
    22,428,042.30/33,642,063.45 = 18,840,815.55/x
  3. Step 3: Cross multiply
    22,428,042.30x = 33,642,063.45 × 18,840,815.55
  4. Step 4: Simplify right side
    22,428,042.30x = 633,843,912,182,846.75
  5. Step 5: Solve for x
    x = 633,843,912,182,846.75/22,428,042.30
  6. Step 6: Final answer
    x = 28,261,223.33

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Double scale
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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.