Home / 12,311,057.88-16,988,732.10-6,804,147.96

Finding the Fourth Proportional to 12,311,057.88, 16,988,732.10 and 6,804,147.96

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Solution

The fourth proportional to 12,311,057.88, 16,988,732.10 and 6,804,147.96 is: 9,389,432.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,311,057.88 : 16,988,732.10 = 6,804,147.96 : x
  2. Step 2: Convert to fraction form
    12,311,057.88/16,988,732.10 = 6,804,147.96/x
  3. Step 3: Cross multiply
    12,311,057.88x = 16,988,732.10 × 6,804,147.96
  4. Step 4: Simplify right side
    12,311,057.88x = 115,593,846,861,201.53
  5. Step 5: Solve for x
    x = 115,593,846,861,201.53/12,311,057.88
  6. Step 6: Final answer
    x = 9,389,432.49

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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.