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Finding the Fourth Proportional to 15,141,319.10, 22,711,978.65 and 8,764,027.10

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Solution

The fourth proportional to 15,141,319.10, 22,711,978.65 and 8,764,027.10 is: 13,146,040.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,141,319.10 : 22,711,978.65 = 8,764,027.10 : x
  2. Step 2: Convert to fraction form
    15,141,319.10/22,711,978.65 = 8,764,027.10/x
  3. Step 3: Cross multiply
    15,141,319.10x = 22,711,978.65 × 8,764,027.10
  4. Step 4: Simplify right side
    15,141,319.10x = 199,048,396,383,221.41
  5. Step 5: Solve for x
    x = 199,048,396,383,221.41/15,141,319.10
  6. Step 6: Final answer
    x = 13,146,040.65

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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.