Home / 18,443,945.40-27,665,918.10-13,058,676.60

Finding the Fourth Proportional to 18,443,945.40, 27,665,918.10 and 13,058,676.60

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Solution

The fourth proportional to 18,443,945.40, 27,665,918.10 and 13,058,676.60 is: 19,588,014.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,443,945.40 : 27,665,918.10 = 13,058,676.60 : x
  2. Step 2: Convert to fraction form
    18,443,945.40/27,665,918.10 = 13,058,676.60/x
  3. Step 3: Cross multiply
    18,443,945.40x = 27,665,918.10 × 13,058,676.60
  4. Step 4: Simplify right side
    18,443,945.40x = 361,280,277,309,986.50
  5. Step 5: Solve for x
    x = 361,280,277,309,986.50/18,443,945.40
  6. Step 6: Final answer
    x = 19,588,014.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.