Home / 36,612,536.96-50,510,917.59-20,923,144.31

Finding the Fourth Proportional to 36,612,536.96, 50,510,917.59 and 20,923,144.31

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Solution

The fourth proportional to 36,612,536.96, 50,510,917.59 and 20,923,144.31 is: 28,865,719.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,612,536.96 : 50,510,917.59 = 20,923,144.31 : x
  2. Step 2: Convert to fraction form
    36,612,536.96/50,510,917.59 = 20,923,144.31/x
  3. Step 3: Cross multiply
    36,612,536.96x = 50,510,917.59 × 20,923,144.31
  4. Step 4: Simplify right side
    36,612,536.96x = 1,056,847,217,713,532.88
  5. Step 5: Solve for x
    x = 1,056,847,217,713,532.88/36,612,536.96
  6. Step 6: Final answer
    x = 28,865,719.38

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.