Home / 11,869,650.72-16,380,998.82-6,643,184.04

Finding the Fourth Proportional to 11,869,650.72, 16,380,998.82 and 6,643,184.04

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Solution

The fourth proportional to 11,869,650.72, 16,380,998.82 and 6,643,184.04 is: 9,168,086.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,869,650.72 : 16,380,998.82 = 6,643,184.04 : x
  2. Step 2: Convert to fraction form
    11,869,650.72/16,380,998.82 = 6,643,184.04/x
  3. Step 3: Cross multiply
    11,869,650.72x = 16,380,998.82 × 6,643,184.04
  4. Step 4: Simplify right side
    11,869,650.72x = 108,821,989,920,282.83
  5. Step 5: Solve for x
    x = 108,821,989,920,282.83/11,869,650.72
  6. Step 6: Final answer
    x = 9,168,086.95

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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.