Home / 8,680,896.80-11,979,053.66-4,813,274.78

Finding the Fourth Proportional to 8,680,896.80, 11,979,053.66 and 4,813,274.78

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Solution

The fourth proportional to 8,680,896.80, 11,979,053.66 and 4,813,274.78 is: 6,641,995.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,680,896.80 : 11,979,053.66 = 4,813,274.78 : x
  2. Step 2: Convert to fraction form
    8,680,896.80/11,979,053.66 = 4,813,274.78/x
  3. Step 3: Cross multiply
    8,680,896.80x = 11,979,053.66 × 4,813,274.78
  4. Step 4: Simplify right side
    8,680,896.80x = 57,658,476,845,878.32
  5. Step 5: Solve for x
    x = 57,658,476,845,878.32/8,680,896.80
  6. Step 6: Final answer
    x = 6,641,995.43

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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.