Home / 6,990,742.20-9,647,523.52-3,893,265.52

Finding the Fourth Proportional to 6,990,742.20, 9,647,523.52 and 3,893,265.52

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Solution

The fourth proportional to 6,990,742.20, 9,647,523.52 and 3,893,265.52 is: 5,372,873.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,990,742.20 : 9,647,523.52 = 3,893,265.52 : x
  2. Step 2: Convert to fraction form
    6,990,742.20/9,647,523.52 = 3,893,265.52/x
  3. Step 3: Cross multiply
    6,990,742.20x = 9,647,523.52 × 3,893,265.52
  4. Step 4: Simplify right side
    6,990,742.20x = 37,560,370,673,805.03
  5. Step 5: Solve for x
    x = 37,560,370,673,805.03/6,990,742.20
  6. Step 6: Final answer
    x = 5,372,873.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.