Home / 18,452,441.70-27,678,662.55-7,093,260.90

Finding the Fourth Proportional to 18,452,441.70, 27,678,662.55 and 7,093,260.90

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Solution

The fourth proportional to 18,452,441.70, 27,678,662.55 and 7,093,260.90 is: 10,639,891.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,452,441.70 : 27,678,662.55 = 7,093,260.90 : x
  2. Step 2: Convert to fraction form
    18,452,441.70/27,678,662.55 = 7,093,260.90/x
  3. Step 3: Cross multiply
    18,452,441.70x = 27,678,662.55 × 7,093,260.90
  4. Step 4: Simplify right side
    18,452,441.70x = 196,331,974,830,209.31
  5. Step 5: Solve for x
    x = 196,331,974,830,209.31/18,452,441.70
  6. Step 6: Final answer
    x = 10,639,891.35

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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.