Home / 12,380,493.89-17,085,615.15-6,873,869.03

Finding the Fourth Proportional to 12,380,493.89, 17,085,615.15 and 6,873,869.03

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Solution

The fourth proportional to 12,380,493.89, 17,085,615.15 and 6,873,869.03 is: 9,486,235.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,380,493.89 : 17,085,615.15 = 6,873,869.03 : x
  2. Step 2: Convert to fraction form
    12,380,493.89/17,085,615.15 = 6,873,869.03/x
  3. Step 3: Cross multiply
    12,380,493.89x = 17,085,615.15 × 6,873,869.03
  4. Step 4: Simplify right side
    12,380,493.89x = 117,444,280,752,655.72
  5. Step 5: Solve for x
    x = 117,444,280,752,655.72/12,380,493.89
  6. Step 6: Final answer
    x = 9,486,235.51

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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.