Home / 8,311,136.40-12,467,093.40-2,631,805.20

Finding the Fourth Proportional to 8,311,136.40, 12,467,093.40 and 2,631,805.20

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Solution

The fourth proportional to 8,311,136.40, 12,467,093.40 and 2,631,805.20 is: 3,947,830.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,311,136.40 : 12,467,093.40 = 2,631,805.20 : x
  2. Step 2: Convert to fraction form
    8,311,136.40/12,467,093.40 = 2,631,805.20/x
  3. Step 3: Cross multiply
    8,311,136.40x = 12,467,093.40 × 2,631,805.20
  4. Step 4: Simplify right side
    8,311,136.40x = 32,810,961,239,005.68
  5. Step 5: Solve for x
    x = 32,810,961,239,005.68/8,311,136.40
  6. Step 6: Final answer
    x = 3,947,830.92

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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.