Home / 11,274,900.81-16,906,839.98-7,864,821.06

Finding the Fourth Proportional to 11,274,900.81, 16,906,839.98 and 7,864,821.06

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Solution

The fourth proportional to 11,274,900.81, 16,906,839.98 and 7,864,821.06 is: 11,793,387.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,274,900.81 : 16,906,839.98 = 7,864,821.06 : x
  2. Step 2: Convert to fraction form
    11,274,900.81/16,906,839.98 = 7,864,821.06/x
  3. Step 3: Cross multiply
    11,274,900.81x = 16,906,839.98 × 7,864,821.06
  4. Step 4: Simplify right side
    11,274,900.81x = 132,969,271,093,429.88
  5. Step 5: Solve for x
    x = 132,969,271,093,429.88/11,274,900.81
  6. Step 6: Final answer
    x = 11,793,387.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.