Home / 11,221,094.31-16,807,283.73-6,889,997.78

Finding the Fourth Proportional to 11,221,094.31, 16,807,283.73 and 6,889,997.78

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Solution

The fourth proportional to 11,221,094.31, 16,807,283.73 and 6,889,997.78 is: 10,320,040.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,221,094.31 : 16,807,283.73 = 6,889,997.78 : x
  2. Step 2: Convert to fraction form
    11,221,094.31/16,807,283.73 = 6,889,997.78/x
  3. Step 3: Cross multiply
    11,221,094.31x = 16,807,283.73 × 6,889,997.78
  4. Step 4: Simplify right side
    11,221,094.31x = 115,802,147,661,061.98
  5. Step 5: Solve for x
    x = 115,802,147,661,061.98/11,221,094.31
  6. Step 6: Final answer
    x = 10,320,040.49

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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.