Home / 7,990,438.53-11,986,007.72-2,311,236.93

Finding the Fourth Proportional to 7,990,438.53, 11,986,007.72 and 2,311,236.93

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Solution

The fourth proportional to 7,990,438.53, 11,986,007.72 and 2,311,236.93 is: 3,466,956.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,990,438.53 : 11,986,007.72 = 2,311,236.93 : x
  2. Step 2: Convert to fraction form
    7,990,438.53/11,986,007.72 = 2,311,236.93/x
  3. Step 3: Cross multiply
    7,990,438.53x = 11,986,007.72 × 2,311,236.93
  4. Step 4: Simplify right side
    7,990,438.53x = 27,702,503,674,172.92
  5. Step 5: Solve for x
    x = 27,702,503,674,172.92/7,990,438.53
  6. Step 6: Final answer
    x = 3,466,956.61

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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.