Home / 20,321,394.22-28,039,906.26-11,500,804

Finding the Fourth Proportional to 20,321,394.22, 28,039,906.26 and 11,500,804

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Solution

The fourth proportional to 20,321,394.22, 28,039,906.26 and 11,500,804 is: 15,869,062.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,321,394.22 : 28,039,906.26 = 11,500,804 : x
  2. Step 2: Convert to fraction form
    20,321,394.22/28,039,906.26 = 11,500,804/x
  3. Step 3: Cross multiply
    20,321,394.22x = 28,039,906.26 × 11,500,804
  4. Step 4: Simplify right side
    20,321,394.22x = 322,481,466,074,633.06
  5. Step 5: Solve for x
    x = 322,481,466,074,633.06/20,321,394.22
  6. Step 6: Final answer
    x = 15,869,062.06

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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.