Home / 12,288,007.46-18,435,012.20-4,090,633.85

Finding the Fourth Proportional to 12,288,007.46, 18,435,012.20 and 4,090,633.85

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Solution

The fourth proportional to 12,288,007.46, 18,435,012.20 and 4,090,633.85 is: 6,136,949.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,288,007.46 : 18,435,012.20 = 4,090,633.85 : x
  2. Step 2: Convert to fraction form
    12,288,007.46/18,435,012.20 = 4,090,633.85/x
  3. Step 3: Cross multiply
    12,288,007.46x = 18,435,012.20 × 4,090,633.85
  4. Step 4: Simplify right side
    12,288,007.46x = 75,410,884,857,676.16
  5. Step 5: Solve for x
    x = 75,410,884,857,676.16/12,288,007.46
  6. Step 6: Final answer
    x = 6,136,949.79

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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.