Home / 20,744,352.18-28,628,788.77-11,453,713.38

Finding the Fourth Proportional to 20,744,352.18, 28,628,788.77 and 11,453,713.38

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Solution

The fourth proportional to 20,744,352.18, 28,628,788.77 and 11,453,713.38 is: 15,806,998.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,744,352.18 : 28,628,788.77 = 11,453,713.38 : x
  2. Step 2: Convert to fraction form
    20,744,352.18/28,628,788.77 = 11,453,713.38/x
  3. Step 3: Cross multiply
    20,744,352.18x = 28,628,788.77 × 11,453,713.38
  4. Step 4: Simplify right side
    20,744,352.18x = 327,905,940,988,142.75
  5. Step 5: Solve for x
    x = 327,905,940,988,142.75/20,744,352.18
  6. Step 6: Final answer
    x = 15,806,998.36

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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.