Home / 8,239,216.20-12,372,821.10-6,111,702.60

Finding the Fourth Proportional to 8,239,216.20, 12,372,821.10 and 6,111,702.60

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Solution

The fourth proportional to 8,239,216.20, 12,372,821.10 and 6,111,702.60 is: 9,177,936.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,239,216.20 : 12,372,821.10 = 6,111,702.60 : x
  2. Step 2: Convert to fraction form
    8,239,216.20/12,372,821.10 = 6,111,702.60/x
  3. Step 3: Cross multiply
    8,239,216.20x = 12,372,821.10 × 6,111,702.60
  4. Step 4: Simplify right side
    8,239,216.20x = 75,619,002,886,204.86
  5. Step 5: Solve for x
    x = 75,619,002,886,204.86/8,239,216.20
  6. Step 6: Final answer
    x = 9,177,936.47

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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.