Home / 18,245,972.96-25,179,509.39-9,873,342.78

Finding the Fourth Proportional to 18,245,972.96, 25,179,509.39 and 9,873,342.78

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Solution

The fourth proportional to 18,245,972.96, 25,179,509.39 and 9,873,342.78 is: 13,625,249.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,245,972.96 : 25,179,509.39 = 9,873,342.78 : x
  2. Step 2: Convert to fraction form
    18,245,972.96/25,179,509.39 = 9,873,342.78/x
  3. Step 3: Cross multiply
    18,245,972.96x = 25,179,509.39 × 9,873,342.78
  4. Step 4: Simplify right side
    18,245,972.96x = 248,605,927,264,382.03
  5. Step 5: Solve for x
    x = 248,605,927,264,382.03/18,245,972.96
  6. Step 6: Final answer
    x = 13,625,249.13

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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.