Home / 20,257,315.11-27,955,091.39-10,964,883.33

Finding the Fourth Proportional to 20,257,315.11, 27,955,091.39 and 10,964,883.33

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Solution

The fourth proportional to 20,257,315.11, 27,955,091.39 and 10,964,883.33 is: 15,131,537.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,257,315.11 : 27,955,091.39 = 10,964,883.33 : x
  2. Step 2: Convert to fraction form
    20,257,315.11/27,955,091.39 = 10,964,883.33/x
  3. Step 3: Cross multiply
    20,257,315.11x = 27,955,091.39 × 10,964,883.33
  4. Step 4: Simplify right side
    20,257,315.11x = 306,524,315,516,013.12
  5. Step 5: Solve for x
    x = 306,524,315,516,013.12/20,257,315.11
  6. Step 6: Final answer
    x = 15,131,537.12

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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.