Home / 22,428,028.20-33,642,042.30-18,442,220.70

Finding the Fourth Proportional to 22,428,028.20, 33,642,042.30 and 18,442,220.70

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Solution

The fourth proportional to 22,428,028.20, 33,642,042.30 and 18,442,220.70 is: 27,663,331.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,428,028.20 : 33,642,042.30 = 18,442,220.70 : x
  2. Step 2: Convert to fraction form
    22,428,028.20/33,642,042.30 = 18,442,220.70/x
  3. Step 3: Cross multiply
    22,428,028.20x = 33,642,042.30 × 18,442,220.70
  4. Step 4: Simplify right side
    22,428,028.20x = 620,433,968,895,335.50
  5. Step 5: Solve for x
    x = 620,433,968,895,335.50/22,428,028.20
  6. Step 6: Final answer
    x = 27,663,331.05

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Double scale
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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.