Home / 7,231,916-9,979,317.24-4,331,232.56

Finding the Fourth Proportional to 7,231,916, 9,979,317.24 and 4,331,232.56

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Solution

The fourth proportional to 7,231,916, 9,979,317.24 and 4,331,232.56 is: 5,976,665.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,231,916 : 9,979,317.24 = 4,331,232.56 : x
  2. Step 2: Convert to fraction form
    7,231,916/9,979,317.24 = 4,331,232.56/x
  3. Step 3: Cross multiply
    7,231,916x = 9,979,317.24 × 4,331,232.56
  4. Step 4: Simplify right side
    7,231,916x = 43,222,743,756,457.33
  5. Step 5: Solve for x
    x = 43,222,743,756,457.33/7,231,916
  6. Step 6: Final answer
    x = 5,976,665.62

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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.