Home / 38,134,915.60-57,202,373.40-20,219,011.60

Finding the Fourth Proportional to 38,134,915.60, 57,202,373.40 and 20,219,011.60

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Solution

The fourth proportional to 38,134,915.60, 57,202,373.40 and 20,219,011.60 is: 30,328,517.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,134,915.60 : 57,202,373.40 = 20,219,011.60 : x
  2. Step 2: Convert to fraction form
    38,134,915.60/57,202,373.40 = 20,219,011.60/x
  3. Step 3: Cross multiply
    38,134,915.60x = 57,202,373.40 × 20,219,011.60
  4. Step 4: Simplify right side
    38,134,915.60x = 1,156,575,451,322,131.50
  5. Step 5: Solve for x
    x = 1,156,575,451,322,131.50/38,134,915.60
  6. Step 6: Final answer
    x = 30,328,517.40

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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.