Home / 20,183,266.80-30,274,900.20-17,791,782.30

Finding the Fourth Proportional to 20,183,266.80, 30,274,900.20 and 17,791,782.30

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Solution

The fourth proportional to 20,183,266.80, 30,274,900.20 and 17,791,782.30 is: 26,687,673.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,183,266.80 : 30,274,900.20 = 17,791,782.30 : x
  2. Step 2: Convert to fraction form
    20,183,266.80/30,274,900.20 = 17,791,782.30/x
  3. Step 3: Cross multiply
    20,183,266.80x = 30,274,900.20 × 17,791,782.30
  4. Step 4: Simplify right side
    20,183,266.80x = 538,644,433,512,626.50
  5. Step 5: Solve for x
    x = 538,644,433,512,626.50/20,183,266.80
  6. Step 6: Final answer
    x = 26,687,673.45

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Double scale
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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.