Home / 12,961,796.05-19,424,439.91-9,917,375.41

Finding the Fourth Proportional to 12,961,796.05, 19,424,439.91 and 9,917,375.41

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Solution

The fourth proportional to 12,961,796.05, 19,424,439.91 and 9,917,375.41 is: 14,862,096.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,961,796.05 : 19,424,439.91 = 9,917,375.41 : x
  2. Step 2: Convert to fraction form
    12,961,796.05/19,424,439.91 = 9,917,375.41/x
  3. Step 3: Cross multiply
    12,961,796.05x = 19,424,439.91 × 9,917,375.41
  4. Step 4: Simplify right side
    12,961,796.05x = 192,639,462,716,456.62
  5. Step 5: Solve for x
    x = 192,639,462,716,456.62/12,961,796.05
  6. Step 6: Final answer
    x = 14,862,096.42

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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.