Home / 13,219,429.56-19,813,198.32-6,826,196.76

Finding the Fourth Proportional to 13,219,429.56, 19,813,198.32 and 6,826,196.76

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Solution

The fourth proportional to 13,219,429.56, 19,813,198.32 and 6,826,196.76 is: 10,231,061.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,219,429.56 : 19,813,198.32 = 6,826,196.76 : x
  2. Step 2: Convert to fraction form
    13,219,429.56/19,813,198.32 = 6,826,196.76/x
  3. Step 3: Cross multiply
    13,219,429.56x = 19,813,198.32 × 6,826,196.76
  4. Step 4: Simplify right side
    13,219,429.56x = 135,248,790,177,221.44
  5. Step 5: Solve for x
    x = 135,248,790,177,221.44/13,219,429.56
  6. Step 6: Final answer
    x = 10,231,061.00

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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.