Home / 11,192,401.80-16,788,602.70-8,505,016.20

Finding the Fourth Proportional to 11,192,401.80, 16,788,602.70 and 8,505,016.20

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Solution

The fourth proportional to 11,192,401.80, 16,788,602.70 and 8,505,016.20 is: 12,757,524.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,192,401.80 : 16,788,602.70 = 8,505,016.20 : x
  2. Step 2: Convert to fraction form
    11,192,401.80/16,788,602.70 = 8,505,016.20/x
  3. Step 3: Cross multiply
    11,192,401.80x = 16,788,602.70 × 8,505,016.20
  4. Step 4: Simplify right side
    11,192,401.80x = 142,787,337,938,863.72
  5. Step 5: Solve for x
    x = 142,787,337,938,863.72/11,192,401.80
  6. Step 6: Final answer
    x = 12,757,524.30

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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.