Home / 20,673,806.48-28,530,125.88-11,382,458.48

Finding the Fourth Proportional to 20,673,806.48, 28,530,125.88 and 11,382,458.48

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Solution

The fourth proportional to 20,673,806.48, 28,530,125.88 and 11,382,458.48 is: 15,707,942.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,673,806.48 : 28,530,125.88 = 11,382,458.48 : x
  2. Step 2: Convert to fraction form
    20,673,806.48/28,530,125.88 = 11,382,458.48/x
  3. Step 3: Cross multiply
    20,673,806.48x = 28,530,125.88 × 11,382,458.48
  4. Step 4: Simplify right side
    20,673,806.48x = 324,742,973,258,273.44
  5. Step 5: Solve for x
    x = 324,742,973,258,273.44/20,673,806.48
  6. Step 6: Final answer
    x = 15,707,942.97

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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.