Home / 8,261,550.60-12,381,769.90-6,664,865.64

Finding the Fourth Proportional to 8,261,550.60, 12,381,769.90 and 6,664,865.64

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Solution

The fourth proportional to 8,261,550.60, 12,381,769.90 and 6,664,865.64 is: 9,988,782.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,261,550.60 : 12,381,769.90 = 6,664,865.64 : x
  2. Step 2: Convert to fraction form
    8,261,550.60/12,381,769.90 = 6,664,865.64/x
  3. Step 3: Cross multiply
    8,261,550.60x = 12,381,769.90 × 6,664,865.64
  4. Step 4: Simplify right side
    8,261,550.60x = 82,522,832,768,896.23
  5. Step 5: Solve for x
    x = 82,522,832,768,896.23/8,261,550.60
  6. Step 6: Final answer
    x = 9,988,782.59

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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.