Home / 6,988,853.67-9,645,015-4,198,830.33

Finding the Fourth Proportional to 6,988,853.67, 9,645,015 and 4,198,830.33

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Solution

The fourth proportional to 6,988,853.67, 9,645,015 and 4,198,830.33 is: 5,794,624.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,988,853.67 : 9,645,015 = 4,198,830.33 : x
  2. Step 2: Convert to fraction form
    6,988,853.67/9,645,015 = 4,198,830.33/x
  3. Step 3: Cross multiply
    6,988,853.67x = 9,645,015 × 4,198,830.33
  4. Step 4: Simplify right side
    6,988,853.67x = 40,497,781,515,304.95
  5. Step 5: Solve for x
    x = 40,497,781,515,304.95/6,988,853.67
  6. Step 6: Final answer
    x = 5,794,624.33

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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.