Home / 13,904,576.88-19,188,025.56-7,625,013.36

Finding the Fourth Proportional to 13,904,576.88, 19,188,025.56 and 7,625,013.36

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Solution

The fourth proportional to 13,904,576.88, 19,188,025.56 and 7,625,013.36 is: 10,522,359.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,904,576.88 : 19,188,025.56 = 7,625,013.36 : x
  2. Step 2: Convert to fraction form
    13,904,576.88/19,188,025.56 = 7,625,013.36/x
  3. Step 3: Cross multiply
    13,904,576.88x = 19,188,025.56 × 7,625,013.36
  4. Step 4: Simplify right side
    13,904,576.88x = 146,308,951,247,021.47
  5. Step 5: Solve for x
    x = 146,308,951,247,021.47/13,904,576.88
  6. Step 6: Final answer
    x = 10,522,359.11

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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.