Home / 8,122,029.20-12,183,043.80-3,333,155.30

Finding the Fourth Proportional to 8,122,029.20, 12,183,043.80 and 3,333,155.30

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Solution

The fourth proportional to 8,122,029.20, 12,183,043.80 and 3,333,155.30 is: 4,999,732.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,122,029.20 : 12,183,043.80 = 3,333,155.30 : x
  2. Step 2: Convert to fraction form
    8,122,029.20/12,183,043.80 = 3,333,155.30/x
  3. Step 3: Cross multiply
    8,122,029.20x = 12,183,043.80 × 3,333,155.30
  4. Step 4: Simplify right side
    8,122,029.20x = 40,607,977,012,102.14
  5. Step 5: Solve for x
    x = 40,607,977,012,102.14/8,122,029.20
  6. Step 6: Final answer
    x = 4,999,732.95

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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.