Home / 8,321,286.80-12,481,930.20-6,809,632.40

Finding the Fourth Proportional to 8,321,286.80, 12,481,930.20 and 6,809,632.40

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Solution

The fourth proportional to 8,321,286.80, 12,481,930.20 and 6,809,632.40 is: 10,214,448.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,321,286.80 : 12,481,930.20 = 6,809,632.40 : x
  2. Step 2: Convert to fraction form
    8,321,286.80/12,481,930.20 = 6,809,632.40/x
  3. Step 3: Cross multiply
    8,321,286.80x = 12,481,930.20 × 6,809,632.40
  4. Step 4: Simplify right side
    8,321,286.80x = 84,997,356,304,458.48
  5. Step 5: Solve for x
    x = 84,997,356,304,458.48/8,321,286.80
  6. Step 6: Final answer
    x = 10,214,448.60

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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.