Home / 20,350,858.30-30,526,287.45-19,761,034.30

Finding the Fourth Proportional to 20,350,858.30, 30,526,287.45 and 19,761,034.30

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Solution

The fourth proportional to 20,350,858.30, 30,526,287.45 and 19,761,034.30 is: 29,641,551.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,350,858.30 : 30,526,287.45 = 19,761,034.30 : x
  2. Step 2: Convert to fraction form
    20,350,858.30/30,526,287.45 = 19,761,034.30/x
  3. Step 3: Cross multiply
    20,350,858.30x = 30,526,287.45 × 19,761,034.30
  4. Step 4: Simplify right side
    20,350,858.30x = 603,231,013,351,109.50
  5. Step 5: Solve for x
    x = 603,231,013,351,109.50/20,350,858.30
  6. Step 6: Final answer
    x = 29,641,551.45

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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.