Home / 16,550,808.78-22,839,758.07-9,581,781.78

Finding the Fourth Proportional to 16,550,808.78, 22,839,758.07 and 9,581,781.78

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Solution

The fourth proportional to 16,550,808.78, 22,839,758.07 and 9,581,781.78 is: 13,222,651.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,550,808.78 : 22,839,758.07 = 9,581,781.78 : x
  2. Step 2: Convert to fraction form
    16,550,808.78/22,839,758.07 = 9,581,781.78/x
  3. Step 3: Cross multiply
    16,550,808.78x = 22,839,758.07 × 9,581,781.78
  4. Step 4: Simplify right side
    16,550,808.78x = 218,845,577,734,733.94
  5. Step 5: Solve for x
    x = 218,845,577,734,733.94/16,550,808.78
  6. Step 6: Final answer
    x = 13,222,651.57

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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.