Home / 18,318,933.82-25,278,978.87-10,058,938.27

Finding the Fourth Proportional to 18,318,933.82, 25,278,978.87 and 10,058,938.27

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Solution

The fourth proportional to 18,318,933.82, 25,278,978.87 and 10,058,938.27 is: 13,880,703.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,318,933.82 : 25,278,978.87 = 10,058,938.27 : x
  2. Step 2: Convert to fraction form
    18,318,933.82/25,278,978.87 = 10,058,938.27/x
  3. Step 3: Cross multiply
    18,318,933.82x = 25,278,978.87 × 10,058,938.27
  4. Step 4: Simplify right side
    18,318,933.82x = 254,279,687,981,964.34
  5. Step 5: Solve for x
    x = 254,279,687,981,964.34/18,318,933.82
  6. Step 6: Final answer
    x = 13,880,703.46

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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.