Home / 12,786,305.46-17,645,361.60-6,985,462.92

Finding the Fourth Proportional to 12,786,305.46, 17,645,361.60 and 6,985,462.92

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Solution

The fourth proportional to 12,786,305.46, 17,645,361.60 and 6,985,462.92 is: 9,640,080.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,786,305.46 : 17,645,361.60 = 6,985,462.92 : x
  2. Step 2: Convert to fraction form
    12,786,305.46/17,645,361.60 = 6,985,462.92/x
  3. Step 3: Cross multiply
    12,786,305.46x = 17,645,361.60 × 6,985,462.92
  4. Step 4: Simplify right side
    12,786,305.46x = 123,261,019,166,791.88
  5. Step 5: Solve for x
    x = 123,261,019,166,791.88/12,786,305.46
  6. Step 6: Final answer
    x = 9,640,080.91

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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.