Home / 20,121,486.96-27,766,780.92-10,954,161.84

Finding the Fourth Proportional to 20,121,486.96, 27,766,780.92 and 10,954,161.84

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Solution

The fourth proportional to 20,121,486.96, 27,766,780.92 and 10,954,161.84 is: 15,116,269.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,121,486.96 : 27,766,780.92 = 10,954,161.84 : x
  2. Step 2: Convert to fraction form
    20,121,486.96/27,766,780.92 = 10,954,161.84/x
  3. Step 3: Cross multiply
    20,121,486.96x = 27,766,780.92 × 10,954,161.84
  4. Step 4: Simplify right side
    20,121,486.96x = 304,161,811,973,504.12
  5. Step 5: Solve for x
    x = 304,161,811,973,504.12/20,121,486.96
  6. Step 6: Final answer
    x = 15,116,269.12

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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.