Home / 8,589,876.40-12,856,777.08-6,314,798.56

Finding the Fourth Proportional to 8,589,876.40, 12,856,777.08 and 6,314,798.56

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Solution

The fourth proportional to 8,589,876.40, 12,856,777.08 and 6,314,798.56 is: 9,451,586.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,589,876.40 : 12,856,777.08 = 6,314,798.56 : x
  2. Step 2: Convert to fraction form
    8,589,876.40/12,856,777.08 = 6,314,798.56/x
  3. Step 3: Cross multiply
    8,589,876.40x = 12,856,777.08 × 6,314,798.56
  4. Step 4: Simplify right side
    8,589,876.40x = 81,187,957,391,025
  5. Step 5: Solve for x
    x = 81,187,957,391,025/8,589,876.40
  6. Step 6: Final answer
    x = 9,451,586.22

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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.