Home / 12,441,997-18,662,995.74-2,986,381

Finding the Fourth Proportional to 12,441,997, 18,662,995.74 and 2,986,381

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Solution

The fourth proportional to 12,441,997, 18,662,995.74 and 2,986,381 is: 4,479,571.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,441,997 : 18,662,995.74 = 2,986,381 : x
  2. Step 2: Convert to fraction form
    12,441,997/18,662,995.74 = 2,986,381/x
  3. Step 3: Cross multiply
    12,441,997x = 18,662,995.74 × 2,986,381
  4. Step 4: Simplify right side
    12,441,997x = 55,734,815,881,016.94
  5. Step 5: Solve for x
    x = 55,734,815,881,016.94/12,441,997
  6. Step 6: Final answer
    x = 4,479,571.56

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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.