Home / 20,111,850.74-27,752,092.94-11,851,376.78

Finding the Fourth Proportional to 20,111,850.74, 27,752,092.94 and 11,851,376.78

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Solution

The fourth proportional to 20,111,850.74, 27,752,092.94 and 11,851,376.78 is: 16,353,567.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,111,850.74 : 27,752,092.94 = 11,851,376.78 : x
  2. Step 2: Convert to fraction form
    20,111,850.74/27,752,092.94 = 11,851,376.78/x
  3. Step 3: Cross multiply
    20,111,850.74x = 27,752,092.94 × 11,851,376.78
  4. Step 4: Simplify right side
    20,111,850.74x = 328,900,509,865,517.94
  5. Step 5: Solve for x
    x = 328,900,509,865,517.94/20,111,850.74
  6. Step 6: Final answer
    x = 16,353,567.56

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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.