Home / 7,003,129.53-9,664,318.77-3,783,865.53

Finding the Fourth Proportional to 7,003,129.53, 9,664,318.77 and 3,783,865.53

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Solution

The fourth proportional to 7,003,129.53, 9,664,318.77 and 3,783,865.53 is: 5,221,734.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,003,129.53 : 9,664,318.77 = 3,783,865.53 : x
  2. Step 2: Convert to fraction form
    7,003,129.53/9,664,318.77 = 3,783,865.53/x
  3. Step 3: Cross multiply
    7,003,129.53x = 9,664,318.77 × 3,783,865.53
  4. Step 4: Simplify right side
    7,003,129.53x = 36,568,482,664,734.99
  5. Step 5: Solve for x
    x = 36,568,482,664,734.99/7,003,129.53
  6. Step 6: Final answer
    x = 5,221,734.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.