Home / 20,169,040.30-30,253,560.45-11,665,984.30

Finding the Fourth Proportional to 20,169,040.30, 30,253,560.45 and 11,665,984.30

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Solution

The fourth proportional to 20,169,040.30, 30,253,560.45 and 11,665,984.30 is: 17,498,976.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,169,040.30 : 30,253,560.45 = 11,665,984.30 : x
  2. Step 2: Convert to fraction form
    20,169,040.30/30,253,560.45 = 11,665,984.30/x
  3. Step 3: Cross multiply
    20,169,040.30x = 30,253,560.45 × 11,665,984.30
  4. Step 4: Simplify right side
    20,169,040.30x = 352,937,561,228,800.94
  5. Step 5: Solve for x
    x = 352,937,561,228,800.94/20,169,040.30
  6. Step 6: Final answer
    x = 17,498,976.45

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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.