Home / 13,716,882.82-18,920,622.09-8,813,677.30

Finding the Fourth Proportional to 13,716,882.82, 18,920,622.09 and 8,813,677.30

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Solution

The fourth proportional to 13,716,882.82, 18,920,622.09 and 8,813,677.30 is: 12,157,299.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,716,882.82 : 18,920,622.09 = 8,813,677.30 : x
  2. Step 2: Convert to fraction form
    13,716,882.82/18,920,622.09 = 8,813,677.30/x
  3. Step 3: Cross multiply
    13,716,882.82x = 18,920,622.09 × 8,813,677.30
  4. Step 4: Simplify right side
    13,716,882.82x = 166,760,257,416,511.56
  5. Step 5: Solve for x
    x = 166,760,257,416,511.56/13,716,882.82
  6. Step 6: Final answer
    x = 12,157,299.85

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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.