Home / 9,968,975.84-13,757,198.99-5,385,297.21

Finding the Fourth Proportional to 9,968,975.84, 13,757,198.99 and 5,385,297.21

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Solution

The fourth proportional to 9,968,975.84, 13,757,198.99 and 5,385,297.21 is: 7,431,716.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,968,975.84 : 13,757,198.99 = 5,385,297.21 : x
  2. Step 2: Convert to fraction form
    9,968,975.84/13,757,198.99 = 5,385,297.21/x
  3. Step 3: Cross multiply
    9,968,975.84x = 13,757,198.99 × 5,385,297.21
  4. Step 4: Simplify right side
    9,968,975.84x = 74,086,605,311,335.33
  5. Step 5: Solve for x
    x = 74,086,605,311,335.33/9,968,975.84
  6. Step 6: Final answer
    x = 7,431,716.81

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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.