Home / 11,242,649.80-16,861,450.72-5,171,550.76

Finding the Fourth Proportional to 11,242,649.80, 16,861,450.72 and 5,171,550.76

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Solution

The fourth proportional to 11,242,649.80, 16,861,450.72 and 5,171,550.76 is: 7,756,165.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,242,649.80 : 16,861,450.72 = 5,171,550.76 : x
  2. Step 2: Convert to fraction form
    11,242,649.80/16,861,450.72 = 5,171,550.76/x
  3. Step 3: Cross multiply
    11,242,649.80x = 16,861,450.72 × 5,171,550.76
  4. Step 4: Simplify right side
    11,242,649.80x = 87,199,848,285,718.53
  5. Step 5: Solve for x
    x = 87,199,848,285,718.53/11,242,649.80
  6. Step 6: Final answer
    x = 7,756,165.12

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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.