Home / 7,680,181.62-11,520,268.77-2,288,694.45

Finding the Fourth Proportional to 7,680,181.62, 11,520,268.77 and 2,288,694.45

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Solution

The fourth proportional to 7,680,181.62, 11,520,268.77 and 2,288,694.45 is: 3,433,040.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,680,181.62 : 11,520,268.77 = 2,288,694.45 : x
  2. Step 2: Convert to fraction form
    7,680,181.62/11,520,268.77 = 2,288,694.45/x
  3. Step 3: Cross multiply
    7,680,181.62x = 11,520,268.77 × 2,288,694.45
  4. Step 4: Simplify right side
    7,680,181.62x = 26,366,375,196,407.33
  5. Step 5: Solve for x
    x = 26,366,375,196,407.33/7,680,181.62
  6. Step 6: Final answer
    x = 3,433,040.58

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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.