Home / 7,231,384.14-9,979,282.71-3,968,253.42

Finding the Fourth Proportional to 7,231,384.14, 9,979,282.71 and 3,968,253.42

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Solution

The fourth proportional to 7,231,384.14, 9,979,282.71 and 3,968,253.42 is: 5,476,174.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,231,384.14 : 9,979,282.71 = 3,968,253.42 : x
  2. Step 2: Convert to fraction form
    7,231,384.14/9,979,282.71 = 3,968,253.42/x
  3. Step 3: Cross multiply
    7,231,384.14x = 9,979,282.71 × 3,968,253.42
  4. Step 4: Simplify right side
    7,231,384.14x = 39,600,322,743,104.37
  5. Step 5: Solve for x
    x = 39,600,322,743,104.37/7,231,384.14
  6. Step 6: Final answer
    x = 5,476,174.68

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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.