Home / 12,192,631-18,289,007.62-3,094,731.28

Finding the Fourth Proportional to 12,192,631, 18,289,007.62 and 3,094,731.28

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Solution

The fourth proportional to 12,192,631, 18,289,007.62 and 3,094,731.28 is: 4,642,112.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,192,631 : 18,289,007.62 = 3,094,731.28 : x
  2. Step 2: Convert to fraction form
    12,192,631/18,289,007.62 = 3,094,731.28/x
  3. Step 3: Cross multiply
    12,192,631x = 18,289,007.62 × 3,094,731.28
  4. Step 4: Simplify right side
    12,192,631x = 56,599,563,961,772.35
  5. Step 5: Solve for x
    x = 56,599,563,961,772.35/12,192,631
  6. Step 6: Final answer
    x = 4,642,112.43

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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.