Home / 26,572,528.80-39,858,793.20-20,147,997.60

Finding the Fourth Proportional to 26,572,528.80, 39,858,793.20 and 20,147,997.60

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Solution

The fourth proportional to 26,572,528.80, 39,858,793.20 and 20,147,997.60 is: 30,221,996.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,572,528.80 : 39,858,793.20 = 20,147,997.60 : x
  2. Step 2: Convert to fraction form
    26,572,528.80/39,858,793.20 = 20,147,997.60/x
  3. Step 3: Cross multiply
    26,572,528.80x = 39,858,793.20 × 20,147,997.60
  4. Step 4: Simplify right side
    26,572,528.80x = 803,074,869,732,496.50
  5. Step 5: Solve for x
    x = 803,074,869,732,496.50/26,572,528.80
  6. Step 6: Final answer
    x = 30,221,996.40

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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.