Home / 8,500,078.38-11,729,766.69-4,632,516.66

Finding the Fourth Proportional to 8,500,078.38, 11,729,766.69 and 4,632,516.66

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Solution

The fourth proportional to 8,500,078.38, 11,729,766.69 and 4,632,516.66 is: 6,392,686.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,500,078.38 : 11,729,766.69 = 4,632,516.66 : x
  2. Step 2: Convert to fraction form
    8,500,078.38/11,729,766.69 = 4,632,516.66/x
  3. Step 3: Cross multiply
    8,500,078.38x = 11,729,766.69 × 4,632,516.66
  4. Step 4: Simplify right side
    8,500,078.38x = 54,338,339,609,338.05
  5. Step 5: Solve for x
    x = 54,338,339,609,338.05/8,500,078.38
  6. Step 6: Final answer
    x = 6,392,686.89

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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.