Home / 16,855,815.80-25,283,723.70-12,551,143.70

Finding the Fourth Proportional to 16,855,815.80, 25,283,723.70 and 12,551,143.70

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Solution

The fourth proportional to 16,855,815.80, 25,283,723.70 and 12,551,143.70 is: 18,826,715.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,855,815.80 : 25,283,723.70 = 12,551,143.70 : x
  2. Step 2: Convert to fraction form
    16,855,815.80/25,283,723.70 = 12,551,143.70/x
  3. Step 3: Cross multiply
    16,855,815.80x = 25,283,723.70 × 12,551,143.70
  4. Step 4: Simplify right side
    16,855,815.80x = 317,339,649,429,795.69
  5. Step 5: Solve for x
    x = 317,339,649,429,795.69/16,855,815.80
  6. Step 6: Final answer
    x = 18,826,715.55

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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.