Home / 8,172,989.80-12,262,109.10-3,622,280.20

Finding the Fourth Proportional to 8,172,989.80, 12,262,109.10 and 3,622,280.20

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Solution

The fourth proportional to 8,172,989.80, 12,262,109.10 and 3,622,280.20 is: 5,434,583.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,172,989.80 : 12,262,109.10 = 3,622,280.20 : x
  2. Step 2: Convert to fraction form
    8,172,989.80/12,262,109.10 = 3,622,280.20/x
  3. Step 3: Cross multiply
    8,172,989.80x = 12,262,109.10 × 3,622,280.20
  4. Step 4: Simplify right side
    8,172,989.80x = 44,416,795,003,169.82
  5. Step 5: Solve for x
    x = 44,416,795,003,169.82/8,172,989.80
  6. Step 6: Final answer
    x = 5,434,583.44

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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.