Home / 12,693,477.26-17,512,672.82-8,112,441.26

Finding the Fourth Proportional to 12,693,477.26, 17,512,672.82 and 8,112,441.26

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Solution

The fourth proportional to 12,693,477.26, 17,512,672.82 and 8,112,441.26 is: 11,192,404.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,693,477.26 : 17,512,672.82 = 8,112,441.26 : x
  2. Step 2: Convert to fraction form
    12,693,477.26/17,512,672.82 = 8,112,441.26/x
  3. Step 3: Cross multiply
    12,693,477.26x = 17,512,672.82 × 8,112,441.26
  4. Step 4: Simplify right side
    12,693,477.26x = 142,070,529,557,848.56
  5. Step 5: Solve for x
    x = 142,070,529,557,848.56/12,693,477.26
  6. Step 6: Final answer
    x = 11,192,404.31

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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.