Home / 6,986,304.98-9,640,329.57-3,930,467.54

Finding the Fourth Proportional to 6,986,304.98, 9,640,329.57 and 3,930,467.54

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Solution

The fourth proportional to 6,986,304.98, 9,640,329.57 and 3,930,467.54 is: 5,423,611.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,986,304.98 : 9,640,329.57 = 3,930,467.54 : x
  2. Step 2: Convert to fraction form
    6,986,304.98/9,640,329.57 = 3,930,467.54/x
  3. Step 3: Cross multiply
    6,986,304.98x = 9,640,329.57 × 3,930,467.54
  4. Step 4: Simplify right side
    6,986,304.98x = 37,891,002,449,787.16
  5. Step 5: Solve for x
    x = 37,891,002,449,787.16/6,986,304.98
  6. Step 6: Final answer
    x = 5,423,611.27

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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.