Home / 7,381,321.40-11,071,982.10-2,332,631.90

Finding the Fourth Proportional to 7,381,321.40, 11,071,982.10 and 2,332,631.90

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Solution

The fourth proportional to 7,381,321.40, 11,071,982.10 and 2,332,631.90 is: 3,498,947.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,381,321.40 : 11,071,982.10 = 2,332,631.90 : x
  2. Step 2: Convert to fraction form
    7,381,321.40/11,071,982.10 = 2,332,631.90/x
  3. Step 3: Cross multiply
    7,381,321.40x = 11,071,982.10 × 2,332,631.90
  4. Step 4: Simplify right side
    7,381,321.40x = 25,826,858,642,688.99
  5. Step 5: Solve for x
    x = 25,826,858,642,688.99/7,381,321.40
  6. Step 6: Final answer
    x = 3,498,947.85

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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.