Home / 11,505,063.42-15,877,062.32-6,278,439.60

Finding the Fourth Proportional to 11,505,063.42, 15,877,062.32 and 6,278,439.60

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Solution

The fourth proportional to 11,505,063.42, 15,877,062.32 and 6,278,439.60 is: 8,664,287.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,505,063.42 : 15,877,062.32 = 6,278,439.60 : x
  2. Step 2: Convert to fraction form
    11,505,063.42/15,877,062.32 = 6,278,439.60/x
  3. Step 3: Cross multiply
    11,505,063.42x = 15,877,062.32 × 6,278,439.60
  4. Step 4: Simplify right side
    11,505,063.42x = 99,683,176,770,163.67
  5. Step 5: Solve for x
    x = 99,683,176,770,163.67/11,505,063.42
  6. Step 6: Final answer
    x = 8,664,287.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.