Home / 36,203,940.60-54,305,910.90-20,898,439.80

Finding the Fourth Proportional to 36,203,940.60, 54,305,910.90 and 20,898,439.80

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Solution

The fourth proportional to 36,203,940.60, 54,305,910.90 and 20,898,439.80 is: 31,347,659.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,203,940.60 : 54,305,910.90 = 20,898,439.80 : x
  2. Step 2: Convert to fraction form
    36,203,940.60/54,305,910.90 = 20,898,439.80/x
  3. Step 3: Cross multiply
    36,203,940.60x = 54,305,910.90 × 20,898,439.80
  4. Step 4: Simplify right side
    36,203,940.60x = 1,134,908,809,727,813.75
  5. Step 5: Solve for x
    x = 1,134,908,809,727,813.75/36,203,940.60
  6. Step 6: Final answer
    x = 31,347,659.70

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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.