Home / 38,568,801.33-53,226,481.05-21,165,769.32

Finding the Fourth Proportional to 38,568,801.33, 53,226,481.05 and 21,165,769.32

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Solution

The fourth proportional to 38,568,801.33, 53,226,481.05 and 21,165,769.32 is: 29,209,604.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,568,801.33 : 53,226,481.05 = 21,165,769.32 : x
  2. Step 2: Convert to fraction form
    38,568,801.33/53,226,481.05 = 21,165,769.32/x
  3. Step 3: Cross multiply
    38,568,801.33x = 53,226,481.05 × 21,165,769.32
  4. Step 4: Simplify right side
    38,568,801.33x = 1,126,579,419,619,651.25
  5. Step 5: Solve for x
    x = 1,126,579,419,619,651.25/38,568,801.33
  6. Step 6: Final answer
    x = 29,209,604.16

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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.