Home / 6,650,361.78-9,177,601.23-3,896,390.31

Finding the Fourth Proportional to 6,650,361.78, 9,177,601.23 and 3,896,390.31

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Solution

The fourth proportional to 6,650,361.78, 9,177,601.23 and 3,896,390.31 is: 5,377,078.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,650,361.78 : 9,177,601.23 = 3,896,390.31 : x
  2. Step 2: Convert to fraction form
    6,650,361.78/9,177,601.23 = 3,896,390.31/x
  3. Step 3: Cross multiply
    6,650,361.78x = 9,177,601.23 × 3,896,390.31
  4. Step 4: Simplify right side
    6,650,361.78x = 35,759,516,501,616.09
  5. Step 5: Solve for x
    x = 35,759,516,501,616.09/6,650,361.78
  6. Step 6: Final answer
    x = 5,377,078.37

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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.