Home / 11,191,765.80-16,787,648.70-5,510,814.60

Finding the Fourth Proportional to 11,191,765.80, 16,787,648.70 and 5,510,814.60

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Solution

The fourth proportional to 11,191,765.80, 16,787,648.70 and 5,510,814.60 is: 8,266,221.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,191,765.80 : 16,787,648.70 = 5,510,814.60 : x
  2. Step 2: Convert to fraction form
    11,191,765.80/16,787,648.70 = 5,510,814.60/x
  3. Step 3: Cross multiply
    11,191,765.80x = 16,787,648.70 × 5,510,814.60
  4. Step 4: Simplify right side
    11,191,765.80x = 92,513,619,555,631.02
  5. Step 5: Solve for x
    x = 92,513,619,555,631.02/11,191,765.80
  6. Step 6: Final answer
    x = 8,266,221.90

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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.