Home / 13,206,452.28-18,217,182.87-8,303,912.70

Finding the Fourth Proportional to 13,206,452.28, 18,217,182.87 and 8,303,912.70

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Solution

The fourth proportional to 13,206,452.28, 18,217,182.87 and 8,303,912.70 is: 11,454,544.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,206,452.28 : 18,217,182.87 = 8,303,912.70 : x
  2. Step 2: Convert to fraction form
    13,206,452.28/18,217,182.87 = 8,303,912.70/x
  3. Step 3: Cross multiply
    13,206,452.28x = 18,217,182.87 × 8,303,912.70
  4. Step 4: Simplify right side
    13,206,452.28x = 151,273,896,192,415.47
  5. Step 5: Solve for x
    x = 151,273,896,192,415.47/13,206,452.28
  6. Step 6: Final answer
    x = 11,454,544.57

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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.