Home / 8,362,121.40-12,530,464.02-3,810,517.56

Finding the Fourth Proportional to 8,362,121.40, 12,530,464.02 and 3,810,517.56

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Solution

The fourth proportional to 8,362,121.40, 12,530,464.02 and 3,810,517.56 is: 5,709,980.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,362,121.40 : 12,530,464.02 = 3,810,517.56 : x
  2. Step 2: Convert to fraction form
    8,362,121.40/12,530,464.02 = 3,810,517.56/x
  3. Step 3: Cross multiply
    8,362,121.40x = 12,530,464.02 × 3,810,517.56
  4. Step 4: Simplify right side
    8,362,121.40x = 47,747,553,183,158.19
  5. Step 5: Solve for x
    x = 47,747,553,183,158.19/8,362,121.40
  6. Step 6: Final answer
    x = 5,709,980.86

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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.