Home / 8,653,313.31-11,945,249.27-5,391,739.51

Finding the Fourth Proportional to 8,653,313.31, 11,945,249.27 and 5,391,739.51

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Solution

The fourth proportional to 8,653,313.31, 11,945,249.27 and 5,391,739.51 is: 7,442,891.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,653,313.31 : 11,945,249.27 = 5,391,739.51 : x
  2. Step 2: Convert to fraction form
    8,653,313.31/11,945,249.27 = 5,391,739.51/x
  3. Step 3: Cross multiply
    8,653,313.31x = 11,945,249.27 × 5,391,739.51
  4. Step 4: Simplify right side
    8,653,313.31x = 64,405,672,445,857.66
  5. Step 5: Solve for x
    x = 64,405,672,445,857.66/8,653,313.31
  6. Step 6: Final answer
    x = 7,442,891.54

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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.