Home / 7,324,922.40-10,965,265.20-6,440,186.40

Finding the Fourth Proportional to 7,324,922.40, 10,965,265.20 and 6,440,186.40

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Solution

The fourth proportional to 7,324,922.40, 10,965,265.20 and 6,440,186.40 is: 9,640,832.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,324,922.40 : 10,965,265.20 = 6,440,186.40 : x
  2. Step 2: Convert to fraction form
    7,324,922.40/10,965,265.20 = 6,440,186.40/x
  3. Step 3: Cross multiply
    7,324,922.40x = 10,965,265.20 × 6,440,186.40
  4. Step 4: Simplify right side
    7,324,922.40x = 70,618,351,813,433.28
  5. Step 5: Solve for x
    x = 70,618,351,813,433.28/7,324,922.40
  6. Step 6: Final answer
    x = 9,640,832.76

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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.