Home / 22,428,057.20-33,642,085.80-18,442,249.70

Finding the Fourth Proportional to 22,428,057.20, 33,642,085.80 and 18,442,249.70

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Solution

The fourth proportional to 22,428,057.20, 33,642,085.80 and 18,442,249.70 is: 27,663,374.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,428,057.20 : 33,642,085.80 = 18,442,249.70 : x
  2. Step 2: Convert to fraction form
    22,428,057.20/33,642,085.80 = 18,442,249.70/x
  3. Step 3: Cross multiply
    22,428,057.20x = 33,642,085.80 × 18,442,249.70
  4. Step 4: Simplify right side
    22,428,057.20x = 620,435,746,752,424.12
  5. Step 5: Solve for x
    x = 620,435,746,752,424.12/22,428,057.20
  6. Step 6: Final answer
    x = 27,663,374.55

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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.