Home / 16,855,820.80-25,283,731.20-12,551,148.70

Finding the Fourth Proportional to 16,855,820.80, 25,283,731.20 and 12,551,148.70

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Solution

The fourth proportional to 16,855,820.80, 25,283,731.20 and 12,551,148.70 is: 18,826,723.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,855,820.80 : 25,283,731.20 = 12,551,148.70 : x
  2. Step 2: Convert to fraction form
    16,855,820.80/25,283,731.20 = 12,551,148.70/x
  3. Step 3: Cross multiply
    16,855,820.80x = 25,283,731.20 × 12,551,148.70
  4. Step 4: Simplify right side
    16,855,820.80x = 317,339,869,982,029.44
  5. Step 5: Solve for x
    x = 317,339,869,982,029.44/16,855,820.80
  6. Step 6: Final answer
    x = 18,826,723.05

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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.