Home / 8,198,285.43-12,289,198.20-2,803,246.21

Finding the Fourth Proportional to 8,198,285.43, 12,289,198.20 and 2,803,246.21

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Solution

The fourth proportional to 8,198,285.43, 12,289,198.20 and 2,803,246.21 is: 4,202,055.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,198,285.43 : 12,289,198.20 = 2,803,246.21 : x
  2. Step 2: Convert to fraction form
    8,198,285.43/12,289,198.20 = 2,803,246.21/x
  3. Step 3: Cross multiply
    8,198,285.43x = 12,289,198.20 × 2,803,246.21
  4. Step 4: Simplify right side
    8,198,285.43x = 34,449,648,282,938.14
  5. Step 5: Solve for x
    x = 34,449,648,282,938.14/8,198,285.43
  6. Step 6: Final answer
    x = 4,202,055.24

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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.