Home / 12,380,487.88-17,085,606.87-6,873,863.01

Finding the Fourth Proportional to 12,380,487.88, 17,085,606.87 and 6,873,863.01

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Solution

The fourth proportional to 12,380,487.88, 17,085,606.87 and 6,873,863.01 is: 9,486,227.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,380,487.88 : 17,085,606.87 = 6,873,863.01 : x
  2. Step 2: Convert to fraction form
    12,380,487.88/17,085,606.87 = 6,873,863.01/x
  3. Step 3: Cross multiply
    12,380,487.88x = 17,085,606.87 × 6,873,863.01
  4. Step 4: Simplify right side
    12,380,487.88x = 117,444,120,990,135.34
  5. Step 5: Solve for x
    x = 117,444,120,990,135.34/12,380,487.88
  6. Step 6: Final answer
    x = 9,486,227.21

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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.