Home / 7,682,902.14-11,515,196.97-3,578,716.38

Finding the Fourth Proportional to 7,682,902.14, 11,515,196.97 and 3,578,716.38

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Solution

The fourth proportional to 7,682,902.14, 11,515,196.97 and 3,578,716.38 is: 5,363,809.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,682,902.14 : 11,515,196.97 = 3,578,716.38 : x
  2. Step 2: Convert to fraction form
    7,682,902.14/11,515,196.97 = 3,578,716.38/x
  3. Step 3: Cross multiply
    7,682,902.14x = 11,515,196.97 × 3,578,716.38
  4. Step 4: Simplify right side
    7,682,902.14x = 41,209,624,015,465.37
  5. Step 5: Solve for x
    x = 41,209,624,015,465.37/7,682,902.14
  6. Step 6: Final answer
    x = 5,363,809.57

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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.