Home / 12,253,745.79-18,382,613.40-3,618,719.64

Finding the Fourth Proportional to 12,253,745.79, 18,382,613.40 and 3,618,719.64

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Solution

The fourth proportional to 12,253,745.79, 18,382,613.40 and 3,618,719.64 is: 5,428,668.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,253,745.79 : 18,382,613.40 = 3,618,719.64 : x
  2. Step 2: Convert to fraction form
    12,253,745.79/18,382,613.40 = 3,618,719.64/x
  3. Step 3: Cross multiply
    12,253,745.79x = 18,382,613.40 × 3,618,719.64
  4. Step 4: Simplify right side
    12,253,745.79x = 66,521,524,145,107.17
  5. Step 5: Solve for x
    x = 66,521,524,145,107.17/12,253,745.79
  6. Step 6: Final answer
    x = 5,428,668.53

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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.