Home / 6,990,766.15-9,647,556.66-3,893,289.47

Finding the Fourth Proportional to 6,990,766.15, 9,647,556.66 and 3,893,289.47

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Solution

The fourth proportional to 6,990,766.15, 9,647,556.66 and 3,893,289.47 is: 5,372,906.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,990,766.15 : 9,647,556.66 = 3,893,289.47 : x
  2. Step 2: Convert to fraction form
    6,990,766.15/9,647,556.66 = 3,893,289.47/x
  3. Step 3: Cross multiply
    6,990,766.15x = 9,647,556.66 × 3,893,289.47
  4. Step 4: Simplify right side
    6,990,766.15x = 37,560,730,707,368.59
  5. Step 5: Solve for x
    x = 37,560,730,707,368.59/6,990,766.15
  6. Step 6: Final answer
    x = 5,372,906.19

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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.