Home / 21,694,172.38-32,550,383.22-13,503,661.76

Finding the Fourth Proportional to 21,694,172.38, 32,550,383.22 and 13,503,661.76

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Solution

The fourth proportional to 21,694,172.38, 32,550,383.22 and 13,503,661.76 is: 20,261,172.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,694,172.38 : 32,550,383.22 = 13,503,661.76 : x
  2. Step 2: Convert to fraction form
    21,694,172.38/32,550,383.22 = 13,503,661.76/x
  3. Step 3: Cross multiply
    21,694,172.38x = 32,550,383.22 × 13,503,661.76
  4. Step 4: Simplify right side
    21,694,172.38x = 439,549,365,093,741.38
  5. Step 5: Solve for x
    x = 439,549,365,093,741.38/21,694,172.38
  6. Step 6: Final answer
    x = 20,261,172.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.