Home / 12,331,761.91-17,017,867.85-6,825,519.21

Finding the Fourth Proportional to 12,331,761.91, 17,017,867.85 and 6,825,519.21

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Solution

The fourth proportional to 12,331,761.91, 17,017,867.85 and 6,825,519.21 is: 9,419,236.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,331,761.91 : 17,017,867.85 = 6,825,519.21 : x
  2. Step 2: Convert to fraction form
    12,331,761.91/17,017,867.85 = 6,825,519.21/x
  3. Step 3: Cross multiply
    12,331,761.91x = 17,017,867.85 × 6,825,519.21
  4. Step 4: Simplify right side
    12,331,761.91x = 116,155,783,804,199.45
  5. Step 5: Solve for x
    x = 116,155,783,804,199.45/12,331,761.91
  6. Step 6: Final answer
    x = 9,419,236.66

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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.