Home / 11,554,934.80-17,327,736.60-3,978,000.40

Finding the Fourth Proportional to 11,554,934.80, 17,327,736.60 and 3,978,000.40

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Solution

The fourth proportional to 11,554,934.80, 17,327,736.60 and 3,978,000.40 is: 5,965,394.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,554,934.80 : 17,327,736.60 = 3,978,000.40 : x
  2. Step 2: Convert to fraction form
    11,554,934.80/17,327,736.60 = 3,978,000.40/x
  3. Step 3: Cross multiply
    11,554,934.80x = 17,327,736.60 × 3,978,000.40
  4. Step 4: Simplify right side
    11,554,934.80x = 68,929,743,125,894.64
  5. Step 5: Solve for x
    x = 68,929,743,125,894.64/11,554,934.80
  6. Step 6: Final answer
    x = 5,965,394.38

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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.