Home / 8,651,316.20-12,979,815.28-3,538,046.45

Finding the Fourth Proportional to 8,651,316.20, 12,979,815.28 and 3,538,046.45

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Solution

The fourth proportional to 8,651,316.20, 12,979,815.28 and 3,538,046.45 is: 5,308,231.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,651,316.20 : 12,979,815.28 = 3,538,046.45 : x
  2. Step 2: Convert to fraction form
    8,651,316.20/12,979,815.28 = 3,538,046.45/x
  3. Step 3: Cross multiply
    8,651,316.20x = 12,979,815.28 × 3,538,046.45
  4. Step 4: Simplify right side
    8,651,316.20x = 45,923,189,396,664.18
  5. Step 5: Solve for x
    x = 45,923,189,396,664.18/8,651,316.20
  6. Step 6: Final answer
    x = 5,308,231.53

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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.