Home / 13,631,896.69-18,812,078.30-7,436,924.56

Finding the Fourth Proportional to 13,631,896.69, 18,812,078.30 and 7,436,924.56

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Solution

The fourth proportional to 13,631,896.69, 18,812,078.30 and 7,436,924.56 is: 10,262,989.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,631,896.69 : 18,812,078.30 = 7,436,924.56 : x
  2. Step 2: Convert to fraction form
    13,631,896.69/18,812,078.30 = 7,436,924.56/x
  3. Step 3: Cross multiply
    13,631,896.69x = 18,812,078.30 × 7,436,924.56
  4. Step 4: Simplify right side
    13,631,896.69x = 139,904,007,133,913.05
  5. Step 5: Solve for x
    x = 139,904,007,133,913.05/13,631,896.69
  6. Step 6: Final answer
    x = 10,262,989.10

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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.