Home / 7,231,578.23-9,979,865.67-3,968,509.73

Finding the Fourth Proportional to 7,231,578.23, 9,979,865.67 and 3,968,509.73

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Solution

The fourth proportional to 7,231,578.23, 9,979,865.67 and 3,968,509.73 is: 5,476,701.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,231,578.23 : 9,979,865.67 = 3,968,509.73 : x
  2. Step 2: Convert to fraction form
    7,231,578.23/9,979,865.67 = 3,968,509.73/x
  3. Step 3: Cross multiply
    7,231,578.23x = 9,979,865.67 × 3,968,509.73
  4. Step 4: Simplify right side
    7,231,578.23x = 39,605,193,965,588.64
  5. Step 5: Solve for x
    x = 39,605,193,965,588.64/7,231,578.23
  6. Step 6: Final answer
    x = 5,476,701.31

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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.