Home / 8,123,570.70-11,215,624.95-5,227,993.62

Finding the Fourth Proportional to 8,123,570.70, 11,215,624.95 and 5,227,993.62

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Solution

The fourth proportional to 8,123,570.70, 11,215,624.95 and 5,227,993.62 is: 7,217,911.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,123,570.70 : 11,215,624.95 = 5,227,993.62 : x
  2. Step 2: Convert to fraction form
    8,123,570.70/11,215,624.95 = 5,227,993.62/x
  3. Step 3: Cross multiply
    8,123,570.70x = 11,215,624.95 × 5,227,993.62
  4. Step 4: Simplify right side
    8,123,570.70x = 58,635,215,682,912.81
  5. Step 5: Solve for x
    x = 58,635,215,682,912.81/8,123,570.70
  6. Step 6: Final answer
    x = 7,217,911.66

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1.5x scale

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.