Home / 20,194,390.80-30,291,586.20-17,005,744.80

Finding the Fourth Proportional to 20,194,390.80, 30,291,586.20 and 17,005,744.80

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Solution

The fourth proportional to 20,194,390.80, 30,291,586.20 and 17,005,744.80 is: 25,508,617.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,194,390.80 : 30,291,586.20 = 17,005,744.80 : x
  2. Step 2: Convert to fraction form
    20,194,390.80/30,291,586.20 = 17,005,744.80/x
  3. Step 3: Cross multiply
    20,194,390.80x = 30,291,586.20 × 17,005,744.80
  4. Step 4: Simplify right side
    20,194,390.80x = 515,130,984,504,401.75
  5. Step 5: Solve for x
    x = 515,130,984,504,401.75/20,194,390.80
  6. Step 6: Final answer
    x = 25,508,617.20

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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.