Home / 25,760,658.56-38,644,813.71-8,485,668.57

Finding the Fourth Proportional to 25,760,658.56, 38,644,813.71 and 8,485,668.57

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Solution

The fourth proportional to 25,760,658.56, 38,644,813.71 and 8,485,668.57 is: 12,729,763.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,760,658.56 : 38,644,813.71 = 8,485,668.57 : x
  2. Step 2: Convert to fraction form
    25,760,658.56/38,644,813.71 = 8,485,668.57/x
  3. Step 3: Cross multiply
    25,760,658.56x = 38,644,813.71 × 8,485,668.57
  4. Step 4: Simplify right side
    25,760,658.56x = 327,927,081,092,452.12
  5. Step 5: Solve for x
    x = 327,927,081,092,452.12/25,760,658.56
  6. Step 6: Final answer
    x = 12,729,763.12

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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.