Home / 8,579,203.80-12,868,794.82-2,189,456.28

Finding the Fourth Proportional to 8,579,203.80, 12,868,794.82 and 2,189,456.28

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Solution

The fourth proportional to 8,579,203.80, 12,868,794.82 and 2,189,456.28 is: 3,284,181.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,579,203.80 : 12,868,794.82 = 2,189,456.28 : x
  2. Step 2: Convert to fraction form
    8,579,203.80/12,868,794.82 = 2,189,456.28/x
  3. Step 3: Cross multiply
    8,579,203.80x = 12,868,794.82 × 2,189,456.28
  4. Step 4: Simplify right side
    8,579,203.80x = 28,175,663,634,680.47
  5. Step 5: Solve for x
    x = 28,175,663,634,680.47/8,579,203.80
  6. Step 6: Final answer
    x = 3,284,181.64

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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.