Home / 6,870,912.20-10,306,368.30-6,555,984.20

Finding the Fourth Proportional to 6,870,912.20, 10,306,368.30 and 6,555,984.20

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Solution

The fourth proportional to 6,870,912.20, 10,306,368.30 and 6,555,984.20 is: 9,833,976.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,870,912.20 : 10,306,368.30 = 6,555,984.20 : x
  2. Step 2: Convert to fraction form
    6,870,912.20/10,306,368.30 = 6,555,984.20/x
  3. Step 3: Cross multiply
    6,870,912.20x = 10,306,368.30 × 6,555,984.20
  4. Step 4: Simplify right side
    6,870,912.20x = 67,568,387,734,180.87
  5. Step 5: Solve for x
    x = 67,568,387,734,180.87/6,870,912.20
  6. Step 6: Final answer
    x = 9,833,976.30

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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.