Home / 9,869,218.76-13,622,418.06-5,740,221.08

Finding the Fourth Proportional to 9,869,218.76, 13,622,418.06 and 5,740,221.08

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Solution

The fourth proportional to 9,869,218.76, 13,622,418.06 and 5,740,221.08 is: 7,923,189.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,869,218.76 : 13,622,418.06 = 5,740,221.08 : x
  2. Step 2: Convert to fraction form
    9,869,218.76/13,622,418.06 = 5,740,221.08/x
  3. Step 3: Cross multiply
    9,869,218.76x = 13,622,418.06 × 5,740,221.08
  4. Step 4: Simplify right side
    9,869,218.76x = 78,195,691,308,584.70
  5. Step 5: Solve for x
    x = 78,195,691,308,584.70/9,869,218.76
  6. Step 6: Final answer
    x = 7,923,189.59

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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.