Home / 8,257,898.70-12,380,943.15-3,705,220.80

Finding the Fourth Proportional to 8,257,898.70, 12,380,943.15 and 3,705,220.80

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Solution

The fourth proportional to 8,257,898.70, 12,380,943.15 and 3,705,220.80 is: 5,555,181.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,257,898.70 : 12,380,943.15 = 3,705,220.80 : x
  2. Step 2: Convert to fraction form
    8,257,898.70/12,380,943.15 = 3,705,220.80/x
  3. Step 3: Cross multiply
    8,257,898.70x = 12,380,943.15 × 3,705,220.80
  4. Step 4: Simplify right side
    8,257,898.70x = 45,874,128,082,997.52
  5. Step 5: Solve for x
    x = 45,874,128,082,997.52/8,257,898.70
  6. Step 6: Final answer
    x = 5,555,181.74

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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.