Home / 20,239,464.33-27,930,681.23-11,071,910.25

Finding the Fourth Proportional to 20,239,464.33, 27,930,681.23 and 11,071,910.25

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Solution

The fourth proportional to 20,239,464.33, 27,930,681.23 and 11,071,910.25 is: 15,279,356.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,239,464.33 : 27,930,681.23 = 11,071,910.25 : x
  2. Step 2: Convert to fraction form
    20,239,464.33/27,930,681.23 = 11,071,910.25/x
  3. Step 3: Cross multiply
    20,239,464.33x = 27,930,681.23 × 11,071,910.25
  4. Step 4: Simplify right side
    20,239,464.33x = 309,245,995,744,560.06
  5. Step 5: Solve for x
    x = 309,245,995,744,560.06/20,239,464.33
  6. Step 6: Final answer
    x = 15,279,356.74

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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.