Home / 7,764,967.20-11,647,450.80-5,861,402.40

Finding the Fourth Proportional to 7,764,967.20, 11,647,450.80 and 5,861,402.40

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Solution

The fourth proportional to 7,764,967.20, 11,647,450.80 and 5,861,402.40 is: 8,792,103.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,764,967.20 : 11,647,450.80 = 5,861,402.40 : x
  2. Step 2: Convert to fraction form
    7,764,967.20/11,647,450.80 = 5,861,402.40/x
  3. Step 3: Cross multiply
    7,764,967.20x = 11,647,450.80 × 5,861,402.40
  4. Step 4: Simplify right side
    7,764,967.20x = 68,270,396,073,001.93
  5. Step 5: Solve for x
    x = 68,270,396,073,001.93/7,764,967.20
  6. Step 6: Final answer
    x = 8,792,103.60

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1.5x scale

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.