Home / 12,394,217.80-17,104,435.42-6,887,824.74

Finding the Fourth Proportional to 12,394,217.80, 17,104,435.42 and 6,887,824.74

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Solution

The fourth proportional to 12,394,217.80, 17,104,435.42 and 6,887,824.74 is: 9,505,428.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,394,217.80 : 17,104,435.42 = 6,887,824.74 : x
  2. Step 2: Convert to fraction form
    12,394,217.80/17,104,435.42 = 6,887,824.74/x
  3. Step 3: Cross multiply
    12,394,217.80x = 17,104,435.42 × 6,887,824.74
  4. Step 4: Simplify right side
    12,394,217.80x = 117,812,353,449,608.31
  5. Step 5: Solve for x
    x = 117,812,353,449,608.31/12,394,217.80
  6. Step 6: Final answer
    x = 9,505,428.69

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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.