Home / 14,255,998.40-21,383,997.60-11,568,612.80

Finding the Fourth Proportional to 14,255,998.40, 21,383,997.60 and 11,568,612.80

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Solution

The fourth proportional to 14,255,998.40, 21,383,997.60 and 11,568,612.80 is: 17,352,919.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,255,998.40 : 21,383,997.60 = 11,568,612.80 : x
  2. Step 2: Convert to fraction form
    14,255,998.40/21,383,997.60 = 11,568,612.80/x
  3. Step 3: Cross multiply
    14,255,998.40x = 21,383,997.60 × 11,568,612.80
  4. Step 4: Simplify right side
    14,255,998.40x = 247,383,188,350,529.31
  5. Step 5: Solve for x
    x = 247,383,188,350,529.31/14,255,998.40
  6. Step 6: Final answer
    x = 17,352,919.20

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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.