Home / 8,320,821.40-12,481,232.10-5,484,136.60

Finding the Fourth Proportional to 8,320,821.40, 12,481,232.10 and 5,484,136.60

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Solution

The fourth proportional to 8,320,821.40, 12,481,232.10 and 5,484,136.60 is: 8,226,204.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,320,821.40 : 12,481,232.10 = 5,484,136.60 : x
  2. Step 2: Convert to fraction form
    8,320,821.40/12,481,232.10 = 5,484,136.60/x
  3. Step 3: Cross multiply
    8,320,821.40x = 12,481,232.10 × 5,484,136.60
  4. Step 4: Simplify right side
    8,320,821.40x = 68,448,781,772,704.85
  5. Step 5: Solve for x
    x = 68,448,781,772,704.85/8,320,821.40
  6. Step 6: Final answer
    x = 8,226,204.90

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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.