Home / 18,205,609.60-27,308,414.40-16,379,027.20

Finding the Fourth Proportional to 18,205,609.60, 27,308,414.40 and 16,379,027.20

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Solution

The fourth proportional to 18,205,609.60, 27,308,414.40 and 16,379,027.20 is: 24,568,540.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,205,609.60 : 27,308,414.40 = 16,379,027.20 : x
  2. Step 2: Convert to fraction form
    18,205,609.60/27,308,414.40 = 16,379,027.20/x
  3. Step 3: Cross multiply
    18,205,609.60x = 27,308,414.40 × 16,379,027.20
  4. Step 4: Simplify right side
    18,205,609.60x = 447,285,262,246,471.62
  5. Step 5: Solve for x
    x = 447,285,262,246,471.62/18,205,609.60
  6. Step 6: Final answer
    x = 24,568,540.80

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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.