Home / 8,753,766.22-12,078,069.86-5,131,394.38

Finding the Fourth Proportional to 8,753,766.22, 12,078,069.86 and 5,131,394.38

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Solution

The fourth proportional to 8,753,766.22, 12,078,069.86 and 5,131,394.38 is: 7,080,077.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,753,766.22 : 12,078,069.86 = 5,131,394.38 : x
  2. Step 2: Convert to fraction form
    8,753,766.22/12,078,069.86 = 5,131,394.38/x
  3. Step 3: Cross multiply
    8,753,766.22x = 12,078,069.86 × 5,131,394.38
  4. Step 4: Simplify right side
    8,753,766.22x = 61,977,339,800,851.38
  5. Step 5: Solve for x
    x = 61,977,339,800,851.38/8,753,766.22
  6. Step 6: Final answer
    x = 7,080,077.11

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1.5x scale

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.