Home / 12,969,374.46-19,456,175.85-3,993,926.46

Finding the Fourth Proportional to 12,969,374.46, 19,456,175.85 and 3,993,926.46

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Solution

The fourth proportional to 12,969,374.46, 19,456,175.85 and 3,993,926.46 is: 5,991,540.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,969,374.46 : 19,456,175.85 = 3,993,926.46 : x
  2. Step 2: Convert to fraction form
    12,969,374.46/19,456,175.85 = 3,993,926.46/x
  3. Step 3: Cross multiply
    12,969,374.46x = 19,456,175.85 × 3,993,926.46
  4. Step 4: Simplify right side
    12,969,374.46x = 77,706,535,537,728
  5. Step 5: Solve for x
    x = 77,706,535,537,728/12,969,374.46
  6. Step 6: Final answer
    x = 5,991,540.75

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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.