Home / 8,161,606.20-12,227,663.70-6,981,958.20

Finding the Fourth Proportional to 8,161,606.20, 12,227,663.70 and 6,981,958.20

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Solution

The fourth proportional to 8,161,606.20, 12,227,663.70 and 6,981,958.20 is: 10,460,322.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,161,606.20 : 12,227,663.70 = 6,981,958.20 : x
  2. Step 2: Convert to fraction form
    8,161,606.20/12,227,663.70 = 6,981,958.20/x
  3. Step 3: Cross multiply
    8,161,606.20x = 12,227,663.70 × 6,981,958.20
  4. Step 4: Simplify right side
    8,161,606.20x = 85,373,036,837,057.34
  5. Step 5: Solve for x
    x = 85,373,036,837,057.34/8,161,606.20
  6. Step 6: Final answer
    x = 10,460,322.97

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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.