Home / 20,372,994.57-28,106,435.71-11,550,587.97

Finding the Fourth Proportional to 20,372,994.57, 28,106,435.71 and 11,550,587.97

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Solution

The fourth proportional to 20,372,994.57, 28,106,435.71 and 11,550,587.97 is: 15,935,107.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,372,994.57 : 28,106,435.71 = 11,550,587.97 : x
  2. Step 2: Convert to fraction form
    20,372,994.57/28,106,435.71 = 11,550,587.97/x
  3. Step 3: Cross multiply
    20,372,994.57x = 28,106,435.71 × 11,550,587.97
  4. Step 4: Simplify right side
    20,372,994.57x = 324,645,858,162,627.94
  5. Step 5: Solve for x
    x = 324,645,858,162,627.94/20,372,994.57
  6. Step 6: Final answer
    x = 15,935,107.48

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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.