Home / 9,165,493.12-12,648,780.84-5,091,112.12

Finding the Fourth Proportional to 9,165,493.12, 12,648,780.84 and 5,091,112.12

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Solution

The fourth proportional to 9,165,493.12, 12,648,780.84 and 5,091,112.12 is: 7,025,957.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,165,493.12 : 12,648,780.84 = 5,091,112.12 : x
  2. Step 2: Convert to fraction form
    9,165,493.12/12,648,780.84 = 5,091,112.12/x
  3. Step 3: Cross multiply
    9,165,493.12x = 12,648,780.84 × 5,091,112.12
  4. Step 4: Simplify right side
    9,165,493.12x = 64,396,361,437,747.78
  5. Step 5: Solve for x
    x = 64,396,361,437,747.78/9,165,493.12
  6. Step 6: Final answer
    x = 7,025,957.10

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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.