Home / 18,162,674.96-25,064,687.46-9,902,670.22

Finding the Fourth Proportional to 18,162,674.96, 25,064,687.46 and 9,902,670.22

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Solution

The fourth proportional to 18,162,674.96, 25,064,687.46 and 9,902,670.22 is: 13,665,791.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,162,674.96 : 25,064,687.46 = 9,902,670.22 : x
  2. Step 2: Convert to fraction form
    18,162,674.96/25,064,687.46 = 9,902,670.22/x
  3. Step 3: Cross multiply
    18,162,674.96x = 25,064,687.46 × 9,902,670.22
  4. Step 4: Simplify right side
    18,162,674.96x = 248,207,334,083,749.47
  5. Step 5: Solve for x
    x = 248,207,334,083,749.47/18,162,674.96
  6. Step 6: Final answer
    x = 13,665,791.78

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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.