Home / 20,826,502.92-31,241,821.26-7,699,361.73

Finding the Fourth Proportional to 20,826,502.92, 31,241,821.26 and 7,699,361.73

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Solution

The fourth proportional to 20,826,502.92, 31,241,821.26 and 7,699,361.73 is: 11,549,806.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,826,502.92 : 31,241,821.26 = 7,699,361.73 : x
  2. Step 2: Convert to fraction form
    20,826,502.92/31,241,821.26 = 7,699,361.73/x
  3. Step 3: Cross multiply
    20,826,502.92x = 31,241,821.26 × 7,699,361.73
  4. Step 4: Simplify right side
    20,826,502.92x = 240,542,082,984,744.41
  5. Step 5: Solve for x
    x = 240,542,082,984,744.41/20,826,502.92
  6. Step 6: Final answer
    x = 11,549,806.70

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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.