Home / 8,530,867.80-12,796,301.70-5,661,086.40

Finding the Fourth Proportional to 8,530,867.80, 12,796,301.70 and 5,661,086.40

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Solution

The fourth proportional to 8,530,867.80, 12,796,301.70 and 5,661,086.40 is: 8,491,629.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,530,867.80 : 12,796,301.70 = 5,661,086.40 : x
  2. Step 2: Convert to fraction form
    8,530,867.80/12,796,301.70 = 5,661,086.40/x
  3. Step 3: Cross multiply
    8,530,867.80x = 12,796,301.70 × 5,661,086.40
  4. Step 4: Simplify right side
    8,530,867.80x = 72,440,969,524,166.88
  5. Step 5: Solve for x
    x = 72,440,969,524,166.88/8,530,867.80
  6. Step 6: Final answer
    x = 8,491,629.60

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Similar ratio
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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.