Home / 7,212,944.25-9,953,863.07-3,993,887.61

Finding the Fourth Proportional to 7,212,944.25, 9,953,863.07 and 3,993,887.61

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Solution

The fourth proportional to 7,212,944.25, 9,953,863.07 and 3,993,887.61 is: 5,511,564.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,212,944.25 : 9,953,863.07 = 3,993,887.61 : x
  2. Step 2: Convert to fraction form
    7,212,944.25/9,953,863.07 = 3,993,887.61/x
  3. Step 3: Cross multiply
    7,212,944.25x = 9,953,863.07 × 3,993,887.61
  4. Step 4: Simplify right side
    7,212,944.25x = 39,754,610,366,940.12
  5. Step 5: Solve for x
    x = 39,754,610,366,940.12/7,212,944.25
  6. Step 6: Final answer
    x = 5,511,564.90

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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.