Home / 20,829,219.24-28,744,001.48-11,662,190.04

Finding the Fourth Proportional to 20,829,219.24, 28,744,001.48 and 11,662,190.04

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Solution

The fourth proportional to 20,829,219.24, 28,744,001.48 and 11,662,190.04 is: 16,093,642.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,829,219.24 : 28,744,001.48 = 11,662,190.04 : x
  2. Step 2: Convert to fraction form
    20,829,219.24/28,744,001.48 = 11,662,190.04/x
  3. Step 3: Cross multiply
    20,829,219.24x = 28,744,001.48 × 11,662,190.04
  4. Step 4: Simplify right side
    20,829,219.24x = 335,218,007,769,801.25
  5. Step 5: Solve for x
    x = 335,218,007,769,801.25/20,829,219.24
  6. Step 6: Final answer
    x = 16,093,642.49

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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.