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Finding the Fourth Proportional to 8,556,287.03, 12,825,789.46 and 5,363,650.97

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Solution

The fourth proportional to 8,556,287.03, 12,825,789.46 and 5,363,650.97 is: 8,040,059.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,556,287.03 : 12,825,789.46 = 5,363,650.97 : x
  2. Step 2: Convert to fraction form
    8,556,287.03/12,825,789.46 = 5,363,650.97/x
  3. Step 3: Cross multiply
    8,556,287.03x = 12,825,789.46 × 5,363,650.97
  4. Step 4: Simplify right side
    8,556,287.03x = 68,793,058,078,144.78
  5. Step 5: Solve for x
    x = 68,793,058,078,144.78/8,556,287.03
  6. Step 6: Final answer
    x = 8,040,059.65

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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.