Home / 18,242,309.30-25,174,385.78-9,982,372.56

Finding the Fourth Proportional to 18,242,309.30, 25,174,385.78 and 9,982,372.56

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Solution

The fourth proportional to 18,242,309.30, 25,174,385.78 and 9,982,372.56 is: 13,775,673.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,242,309.30 : 25,174,385.78 = 9,982,372.56 : x
  2. Step 2: Convert to fraction form
    18,242,309.30/25,174,385.78 = 9,982,372.56/x
  3. Step 3: Cross multiply
    18,242,309.30x = 25,174,385.78 × 9,982,372.56
  4. Step 4: Simplify right side
    18,242,309.30x = 251,300,097,825,126.22
  5. Step 5: Solve for x
    x = 251,300,097,825,126.22/18,242,309.30
  6. Step 6: Final answer
    x = 13,775,673.56

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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.