Home / 20,674,684.67-28,530,543.38-11,382,161.97

Finding the Fourth Proportional to 20,674,684.67, 28,530,543.38 and 11,382,161.97

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Solution

The fourth proportional to 20,674,684.67, 28,530,543.38 and 11,382,161.97 is: 15,707,096.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,674,684.67 : 28,530,543.38 = 11,382,161.97 : x
  2. Step 2: Convert to fraction form
    20,674,684.67/28,530,543.38 = 11,382,161.97/x
  3. Step 3: Cross multiply
    20,674,684.67x = 28,530,543.38 × 11,382,161.97
  4. Step 4: Simplify right side
    20,674,684.67x = 324,739,265,843,271.25
  5. Step 5: Solve for x
    x = 324,739,265,843,271.25/20,674,684.67
  6. Step 6: Final answer
    x = 15,707,096.43

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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.