Home / 28,331,364.60-42,497,046.90-22,662,660.60

Finding the Fourth Proportional to 28,331,364.60, 42,497,046.90 and 22,662,660.60

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Solution

The fourth proportional to 28,331,364.60, 42,497,046.90 and 22,662,660.60 is: 33,993,990.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,331,364.60 : 42,497,046.90 = 22,662,660.60 : x
  2. Step 2: Convert to fraction form
    28,331,364.60/42,497,046.90 = 22,662,660.60/x
  3. Step 3: Cross multiply
    28,331,364.60x = 42,497,046.90 × 22,662,660.60
  4. Step 4: Simplify right side
    28,331,364.60x = 963,096,150,396,982.12
  5. Step 5: Solve for x
    x = 963,096,150,396,982.12/28,331,364.60
  6. Step 6: Final answer
    x = 33,993,990.90

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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.