Home / 15,159,057.36-20,919,553.56-8,283,539.46

Finding the Fourth Proportional to 15,159,057.36, 20,919,553.56 and 8,283,539.46

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Solution

The fourth proportional to 15,159,057.36, 20,919,553.56 and 8,283,539.46 is: 11,431,314.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,159,057.36 : 20,919,553.56 = 8,283,539.46 : x
  2. Step 2: Convert to fraction form
    15,159,057.36/20,919,553.56 = 8,283,539.46/x
  3. Step 3: Cross multiply
    15,159,057.36x = 20,919,553.56 × 8,283,539.46
  4. Step 4: Simplify right side
    15,159,057.36x = 173,287,947,399,843.47
  5. Step 5: Solve for x
    x = 173,287,947,399,843.47/15,159,057.36
  6. Step 6: Final answer
    x = 11,431,314.18

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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.