Home / 15,641,198.82-21,586,132.60-8,674,058.34

Finding the Fourth Proportional to 15,641,198.82, 21,586,132.60 and 8,674,058.34

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Solution

The fourth proportional to 15,641,198.82, 21,586,132.60 and 8,674,058.34 is: 11,970,909.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,641,198.82 : 21,586,132.60 = 8,674,058.34 : x
  2. Step 2: Convert to fraction form
    15,641,198.82/21,586,132.60 = 8,674,058.34/x
  3. Step 3: Cross multiply
    15,641,198.82x = 21,586,132.60 × 8,674,058.34
  4. Step 4: Simplify right side
    15,641,198.82x = 187,239,373,507,375.91
  5. Step 5: Solve for x
    x = 187,239,373,507,375.91/15,641,198.82
  6. Step 6: Final answer
    x = 11,970,909.37

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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.