Home / 8,214,119.81-12,321,200.79-3,356,426.49

Finding the Fourth Proportional to 8,214,119.81, 12,321,200.79 and 3,356,426.49

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Solution

The fourth proportional to 8,214,119.81, 12,321,200.79 and 3,356,426.49 is: 5,034,648.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,214,119.81 : 12,321,200.79 = 3,356,426.49 : x
  2. Step 2: Convert to fraction form
    8,214,119.81/12,321,200.79 = 3,356,426.49/x
  3. Step 3: Cross multiply
    8,214,119.81x = 12,321,200.79 × 3,356,426.49
  4. Step 4: Simplify right side
    8,214,119.81x = 41,355,204,708,613.80
  5. Step 5: Solve for x
    x = 41,355,204,708,613.80/8,214,119.81
  6. Step 6: Final answer
    x = 5,034,648.34

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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.