Home / 8,419,688.11-11,618,301.90-6,215,723.11

Finding the Fourth Proportional to 8,419,688.11, 11,618,301.90 and 6,215,723.11

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Solution

The fourth proportional to 8,419,688.11, 11,618,301.90 and 6,215,723.11 is: 8,577,057.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,419,688.11 : 11,618,301.90 = 6,215,723.11 : x
  2. Step 2: Convert to fraction form
    8,419,688.11/11,618,301.90 = 6,215,723.11/x
  3. Step 3: Cross multiply
    8,419,688.11x = 11,618,301.90 × 6,215,723.11
  4. Step 4: Simplify right side
    8,419,688.11x = 72,216,147,618,786.92
  5. Step 5: Solve for x
    x = 72,216,147,618,786.92/8,419,688.11
  6. Step 6: Final answer
    x = 8,577,057.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.