Home / 7,164,992.72-9,887,591.76-4,067,489

Finding the Fourth Proportional to 7,164,992.72, 9,887,591.76 and 4,067,489

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Solution

The fourth proportional to 7,164,992.72, 9,887,591.76 and 4,067,489 is: 5,613,079.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,164,992.72 : 9,887,591.76 = 4,067,489 : x
  2. Step 2: Convert to fraction form
    7,164,992.72/9,887,591.76 = 4,067,489/x
  3. Step 3: Cross multiply
    7,164,992.72x = 9,887,591.76 × 4,067,489
  4. Step 4: Simplify right side
    7,164,992.72x = 40,217,670,720,290.64
  5. Step 5: Solve for x
    x = 40,217,670,720,290.64/7,164,992.72
  6. Step 6: Final answer
    x = 5,613,079.08

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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.