Home / 7,231,876.56-9,979,850.16-3,968,678.16

Finding the Fourth Proportional to 7,231,876.56, 9,979,850.16 and 3,968,678.16

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Solution

The fourth proportional to 7,231,876.56, 9,979,850.16 and 3,968,678.16 is: 5,476,699.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,231,876.56 : 9,979,850.16 = 3,968,678.16 : x
  2. Step 2: Convert to fraction form
    7,231,876.56/9,979,850.16 = 3,968,678.16/x
  3. Step 3: Cross multiply
    7,231,876.56x = 9,979,850.16 × 3,968,678.16
  4. Step 4: Simplify right side
    7,231,876.56x = 39,606,813,370,064.51
  5. Step 5: Solve for x
    x = 39,606,813,370,064.51/7,231,876.56
  6. Step 6: Final answer
    x = 5,476,699.31

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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.