Home / 18,367,815.68-27,550,608-6,851,062.88

Finding the Fourth Proportional to 18,367,815.68, 27,550,608 and 6,851,062.88

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Solution

The fourth proportional to 18,367,815.68, 27,550,608 and 6,851,062.88 is: 10,276,178.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,367,815.68 : 27,550,608 = 6,851,062.88 : x
  2. Step 2: Convert to fraction form
    18,367,815.68/27,550,608 = 6,851,062.88/x
  3. Step 3: Cross multiply
    18,367,815.68x = 27,550,608 × 6,851,062.88
  4. Step 4: Simplify right side
    18,367,815.68x = 188,750,947,790,231.03
  5. Step 5: Solve for x
    x = 188,750,947,790,231.03/18,367,815.68
  6. Step 6: Final answer
    x = 10,276,178.24

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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.