Home / 39,351,693.60-59,027,540.40-20,219,817.60

Finding the Fourth Proportional to 39,351,693.60, 59,027,540.40 and 20,219,817.60

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Solution

The fourth proportional to 39,351,693.60, 59,027,540.40 and 20,219,817.60 is: 30,329,726.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,351,693.60 : 59,027,540.40 = 20,219,817.60 : x
  2. Step 2: Convert to fraction form
    39,351,693.60/59,027,540.40 = 20,219,817.60/x
  3. Step 3: Cross multiply
    39,351,693.60x = 59,027,540.40 × 20,219,817.60
  4. Step 4: Simplify right side
    39,351,693.60x = 1,193,526,100,264,631
  5. Step 5: Solve for x
    x = 1,193,526,100,264,631/39,351,693.60
  6. Step 6: Final answer
    x = 30,329,726.40

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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.