Home / 18,629,722.82-27,942,983.39-11,341,290.84

Finding the Fourth Proportional to 18,629,722.82, 27,942,983.39 and 11,341,290.84

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Solution

The fourth proportional to 18,629,722.82, 27,942,983.39 and 11,341,290.84 is: 17,010,961.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,629,722.82 : 27,942,983.39 = 11,341,290.84 : x
  2. Step 2: Convert to fraction form
    18,629,722.82/27,942,983.39 = 11,341,290.84/x
  3. Step 3: Cross multiply
    18,629,722.82x = 27,942,983.39 × 11,341,290.84
  4. Step 4: Simplify right side
    18,629,722.82x = 316,909,501,506,572.69
  5. Step 5: Solve for x
    x = 316,909,501,506,572.69/18,629,722.82
  6. Step 6: Final answer
    x = 17,010,961.71

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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.