Home / 12,787,096.24-19,192,770.62-7,914,664.06

Finding the Fourth Proportional to 12,787,096.24, 19,192,770.62 and 7,914,664.06

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Solution

The fourth proportional to 12,787,096.24, 19,192,770.62 and 7,914,664.06 is: 11,879,501.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,787,096.24 : 19,192,770.62 = 7,914,664.06 : x
  2. Step 2: Convert to fraction form
    12,787,096.24/19,192,770.62 = 7,914,664.06/x
  3. Step 3: Cross multiply
    12,787,096.24x = 19,192,770.62 × 7,914,664.06
  4. Step 4: Simplify right side
    12,787,096.24x = 151,904,331,775,858.38
  5. Step 5: Solve for x
    x = 151,904,331,775,858.38/12,787,096.24
  6. Step 6: Final answer
    x = 11,879,501.72

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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.