Home / 12,455,770.38-17,188,973.82-6,949,146.09

Finding the Fourth Proportional to 12,455,770.38, 17,188,973.82 and 6,949,146.09

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Solution

The fourth proportional to 12,455,770.38, 17,188,973.82 and 6,949,146.09 is: 9,589,827.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,455,770.38 : 17,188,973.82 = 6,949,146.09 : x
  2. Step 2: Convert to fraction form
    12,455,770.38/17,188,973.82 = 6,949,146.09/x
  3. Step 3: Cross multiply
    12,455,770.38x = 17,188,973.82 × 6,949,146.09
  4. Step 4: Simplify right side
    12,455,770.38x = 119,448,690,212,365.36
  5. Step 5: Solve for x
    x = 119,448,690,212,365.36/12,455,770.38
  6. Step 6: Final answer
    x = 9,589,827.57

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1.5x scale

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.