Home / 54,322,571.72-81,483,879.72-13,382,807.34

Finding the Fourth Proportional to 54,322,571.72, 81,483,879.72 and 13,382,807.34

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Solution

The fourth proportional to 54,322,571.72, 81,483,879.72 and 13,382,807.34 is: 20,074,216.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,322,571.72 : 81,483,879.72 = 13,382,807.34 : x
  2. Step 2: Convert to fraction form
    54,322,571.72/81,483,879.72 = 13,382,807.34/x
  3. Step 3: Cross multiply
    54,322,571.72x = 81,483,879.72 × 13,382,807.34
  4. Step 4: Simplify right side
    54,322,571.72x = 1,090,483,063,608,493.12
  5. Step 5: Solve for x
    x = 1,090,483,063,608,493.12/54,322,571.72
  6. Step 6: Final answer
    x = 20,074,216.46

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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.