Home / 6,986,304.48-9,640,328.88-3,930,467.04

Finding the Fourth Proportional to 6,986,304.48, 9,640,328.88 and 3,930,467.04

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Solution

The fourth proportional to 6,986,304.48, 9,640,328.88 and 3,930,467.04 is: 5,423,610.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,986,304.48 : 9,640,328.88 = 3,930,467.04 : x
  2. Step 2: Convert to fraction form
    6,986,304.48/9,640,328.88 = 3,930,467.04/x
  3. Step 3: Cross multiply
    6,986,304.48x = 9,640,328.88 × 3,930,467.04
  4. Step 4: Simplify right side
    6,986,304.48x = 37,890,994,917,600.12
  5. Step 5: Solve for x
    x = 37,890,994,917,600.12/6,986,304.48
  6. Step 6: Final answer
    x = 5,423,610.58

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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.