Home / 7,231,166.33-9,978,982.16-3,968,035.66

Finding the Fourth Proportional to 7,231,166.33, 9,978,982.16 and 3,968,035.66

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Solution

The fourth proportional to 7,231,166.33, 9,978,982.16 and 3,968,035.66 is: 5,475,874.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,231,166.33 : 9,978,982.16 = 3,968,035.66 : x
  2. Step 2: Convert to fraction form
    7,231,166.33/9,978,982.16 = 3,968,035.66/x
  3. Step 3: Cross multiply
    7,231,166.33x = 9,978,982.16 × 3,968,035.66
  4. Step 4: Simplify right side
    7,231,166.33x = 39,596,957,016,596.19
  5. Step 5: Solve for x
    x = 39,596,957,016,596.19/7,231,166.33
  6. Step 6: Final answer
    x = 5,475,874.18

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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.