Home / 16,128,422.40-24,192,633.60-12,147,110.40

Finding the Fourth Proportional to 16,128,422.40, 24,192,633.60 and 12,147,110.40

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Solution

The fourth proportional to 16,128,422.40, 24,192,633.60 and 12,147,110.40 is: 18,220,665.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,128,422.40 : 24,192,633.60 = 12,147,110.40 : x
  2. Step 2: Convert to fraction form
    16,128,422.40/24,192,633.60 = 12,147,110.40/x
  3. Step 3: Cross multiply
    16,128,422.40x = 24,192,633.60 × 12,147,110.40
  4. Step 4: Simplify right side
    16,128,422.40x = 293,870,591,205,949.44
  5. Step 5: Solve for x
    x = 293,870,591,205,949.44/16,128,422.40
  6. Step 6: Final answer
    x = 18,220,665.60

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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.