Home / 38,118,146.20-57,188,442.12-13,856,690.88

Finding the Fourth Proportional to 38,118,146.20, 57,188,442.12 and 13,856,690.88

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Solution

The fourth proportional to 38,118,146.20, 57,188,442.12 and 13,856,690.88 is: 20,789,116.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,118,146.20 : 57,188,442.12 = 13,856,690.88 : x
  2. Step 2: Convert to fraction form
    38,118,146.20/57,188,442.12 = 13,856,690.88/x
  3. Step 3: Cross multiply
    38,118,146.20x = 57,188,442.12 × 13,856,690.88
  4. Step 4: Simplify right side
    38,118,146.20x = 792,442,564,365,611.88
  5. Step 5: Solve for x
    x = 792,442,564,365,611.88/38,118,146.20
  6. Step 6: Final answer
    x = 20,789,116.03

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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.