Home / 8,122,579.20-12,183,868.80-3,333,705.30

Finding the Fourth Proportional to 8,122,579.20, 12,183,868.80 and 3,333,705.30

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Solution

The fourth proportional to 8,122,579.20, 12,183,868.80 and 3,333,705.30 is: 5,000,557.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,122,579.20 : 12,183,868.80 = 3,333,705.30 : x
  2. Step 2: Convert to fraction form
    8,122,579.20/12,183,868.80 = 3,333,705.30/x
  3. Step 3: Cross multiply
    8,122,579.20x = 12,183,868.80 × 3,333,705.30
  4. Step 4: Simplify right side
    8,122,579.20x = 40,617,427,993,064.64
  5. Step 5: Solve for x
    x = 40,617,427,993,064.64/8,122,579.20
  6. Step 6: Final answer
    x = 5,000,557.95

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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.