Home / 18,440,007.78-25,446,542.93-10,179,892.92

Finding the Fourth Proportional to 18,440,007.78, 25,446,542.93 and 10,179,892.92

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Solution

The fourth proportional to 18,440,007.78, 25,446,542.93 and 10,179,892.92 is: 14,047,883.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,440,007.78 : 25,446,542.93 = 10,179,892.92 : x
  2. Step 2: Convert to fraction form
    18,440,007.78/25,446,542.93 = 10,179,892.92/x
  3. Step 3: Cross multiply
    18,440,007.78x = 25,446,542.93 × 10,179,892.92
  4. Step 4: Simplify right side
    18,440,007.78x = 259,043,082,211,583.06
  5. Step 5: Solve for x
    x = 259,043,082,211,583.06/18,440,007.78
  6. Step 6: Final answer
    x = 14,047,883.56

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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.