Home / 8,266,077.30-12,376,997.55-5,257,974.90

Finding the Fourth Proportional to 8,266,077.30, 12,376,997.55 and 5,257,974.90

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Solution

The fourth proportional to 8,266,077.30, 12,376,997.55 and 5,257,974.90 is: 7,872,893.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,266,077.30 : 12,376,997.55 = 5,257,974.90 : x
  2. Step 2: Convert to fraction form
    8,266,077.30/12,376,997.55 = 5,257,974.90/x
  3. Step 3: Cross multiply
    8,266,077.30x = 12,376,997.55 × 5,257,974.90
  4. Step 4: Simplify right side
    8,266,077.30x = 65,077,942,455,261.50
  5. Step 5: Solve for x
    x = 65,077,942,455,261.50/8,266,077.30
  6. Step 6: Final answer
    x = 7,872,893.04

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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.