Home / 6,961,318.21-9,606,474.30-3,863,659.78

Finding the Fourth Proportional to 6,961,318.21, 9,606,474.30 and 3,863,659.78

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Solution

The fourth proportional to 6,961,318.21, 9,606,474.30 and 3,863,659.78 is: 5,331,770.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,961,318.21 : 9,606,474.30 = 3,863,659.78 : x
  2. Step 2: Convert to fraction form
    6,961,318.21/9,606,474.30 = 3,863,659.78/x
  3. Step 3: Cross multiply
    6,961,318.21x = 9,606,474.30 × 3,863,659.78
  4. Step 4: Simplify right side
    6,961,318.21x = 37,116,148,380,513.66
  5. Step 5: Solve for x
    x = 37,116,148,380,513.66/6,961,318.21
  6. Step 6: Final answer
    x = 5,331,770.11

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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.