Home / 10,955,836.80-16,433,755.20-5,274,691.20

Finding the Fourth Proportional to 10,955,836.80, 16,433,755.20 and 5,274,691.20

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Solution

The fourth proportional to 10,955,836.80, 16,433,755.20 and 5,274,691.20 is: 7,912,036.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,955,836.80 : 16,433,755.20 = 5,274,691.20 : x
  2. Step 2: Convert to fraction form
    10,955,836.80/16,433,755.20 = 5,274,691.20/x
  3. Step 3: Cross multiply
    10,955,836.80x = 16,433,755.20 × 5,274,691.20
  4. Step 4: Simplify right side
    10,955,836.80x = 86,682,983,936,394.23
  5. Step 5: Solve for x
    x = 86,682,983,936,394.23/10,955,836.80
  6. Step 6: Final answer
    x = 7,912,036.80

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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.