Home / 8,979,660-13,472,836.32-5,388,004.80

Finding the Fourth Proportional to 8,979,660, 13,472,836.32 and 5,388,004.80

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Solution

The fourth proportional to 8,979,660, 13,472,836.32 and 5,388,004.80 is: 8,084,015.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,979,660 : 13,472,836.32 = 5,388,004.80 : x
  2. Step 2: Convert to fraction form
    8,979,660/13,472,836.32 = 5,388,004.80/x
  3. Step 3: Cross multiply
    8,979,660x = 13,472,836.32 × 5,388,004.80
  4. Step 4: Simplify right side
    8,979,660x = 72,591,706,761,774.33
  5. Step 5: Solve for x
    x = 72,591,706,761,774.33/8,979,660
  6. Step 6: Final answer
    x = 8,084,015.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.