Home / 7,111,857.15-9,814,392.80-3,848,672.04

Finding the Fourth Proportional to 7,111,857.15, 9,814,392.80 and 3,848,672.04

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Solution

The fourth proportional to 7,111,857.15, 9,814,392.80 and 3,848,672.04 is: 5,311,183.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,111,857.15 : 9,814,392.80 = 3,848,672.04 : x
  2. Step 2: Convert to fraction form
    7,111,857.15/9,814,392.80 = 3,848,672.04/x
  3. Step 3: Cross multiply
    7,111,857.15x = 9,814,392.80 × 3,848,672.04
  4. Step 4: Simplify right side
    7,111,857.15x = 37,772,379,139,693.95
  5. Step 5: Solve for x
    x = 37,772,379,139,693.95/7,111,857.15
  6. Step 6: Final answer
    x = 5,311,183.61

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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.