Home / 18,438,883.14-25,444,991.73-10,178,768.12

Finding the Fourth Proportional to 18,438,883.14, 25,444,991.73 and 10,178,768.12

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Solution

The fourth proportional to 18,438,883.14, 25,444,991.73 and 10,178,768.12 is: 14,046,331.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,438,883.14 : 25,444,991.73 = 10,178,768.12 : x
  2. Step 2: Convert to fraction form
    18,438,883.14/25,444,991.73 = 10,178,768.12/x
  3. Step 3: Cross multiply
    18,438,883.14x = 25,444,991.73 × 10,178,768.12
  4. Step 4: Simplify right side
    18,438,883.14x = 258,998,670,545,933.09
  5. Step 5: Solve for x
    x = 258,998,670,545,933.09/18,438,883.14
  6. Step 6: Final answer
    x = 14,046,331.79

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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.