Home / 8,500,128.26-11,729,876.90-4,632,572.66

Finding the Fourth Proportional to 8,500,128.26, 11,729,876.90 and 4,632,572.66

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Solution

The fourth proportional to 8,500,128.26, 11,729,876.90 and 4,632,572.66 is: 6,392,786.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,500,128.26 : 11,729,876.90 = 4,632,572.66 : x
  2. Step 2: Convert to fraction form
    8,500,128.26/11,729,876.90 = 4,632,572.66/x
  3. Step 3: Cross multiply
    8,500,128.26x = 11,729,876.90 × 4,632,572.66
  4. Step 4: Simplify right side
    8,500,128.26x = 54,339,507,032,105.55
  5. Step 5: Solve for x
    x = 54,339,507,032,105.55/8,500,128.26
  6. Step 6: Final answer
    x = 6,392,786.72

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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.