Home / 13,200,776.20-19,777,544.70-11,311,208.20

Finding the Fourth Proportional to 13,200,776.20, 19,777,544.70 and 11,311,208.20

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Solution

The fourth proportional to 13,200,776.20, 19,777,544.70 and 11,311,208.20 is: 16,946,573.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,200,776.20 : 19,777,544.70 = 11,311,208.20 : x
  2. Step 2: Convert to fraction form
    13,200,776.20/19,777,544.70 = 11,311,208.20/x
  3. Step 3: Cross multiply
    13,200,776.20x = 19,777,544.70 × 11,311,208.20
  4. Step 4: Simplify right side
    13,200,776.20x = 223,707,925,786,506.53
  5. Step 5: Solve for x
    x = 223,707,925,786,506.53/13,200,776.20
  6. Step 6: Final answer
    x = 16,946,573.63

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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.