Home / 26,571,190.80-39,856,786.20-20,146,659.60

Finding the Fourth Proportional to 26,571,190.80, 39,856,786.20 and 20,146,659.60

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Solution

The fourth proportional to 26,571,190.80, 39,856,786.20 and 20,146,659.60 is: 30,219,989.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,571,190.80 : 39,856,786.20 = 20,146,659.60 : x
  2. Step 2: Convert to fraction form
    26,571,190.80/39,856,786.20 = 20,146,659.60/x
  3. Step 3: Cross multiply
    26,571,190.80x = 39,856,786.20 × 20,146,659.60
  4. Step 4: Simplify right side
    26,571,190.80x = 802,981,104,321,377.62
  5. Step 5: Solve for x
    x = 802,981,104,321,377.62/26,571,190.80
  6. Step 6: Final answer
    x = 30,219,989.40

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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.