Home / 8,979,661-13,472,837.82-5,388,005.80

Finding the Fourth Proportional to 8,979,661, 13,472,837.82 and 5,388,005.80

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Solution

The fourth proportional to 8,979,661, 13,472,837.82 and 5,388,005.80 is: 8,084,016.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,979,661 : 13,472,837.82 = 5,388,005.80 : x
  2. Step 2: Convert to fraction form
    8,979,661/13,472,837.82 = 5,388,005.80/x
  3. Step 3: Cross multiply
    8,979,661x = 13,472,837.82 × 5,388,005.80
  4. Step 4: Simplify right side
    8,979,661x = 72,591,728,316,619.36
  5. Step 5: Solve for x
    x = 72,591,728,316,619.36/8,979,661
  6. Step 6: Final answer
    x = 8,084,016.57

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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.