Home / 18,443,342.30-27,682,728.15-9,355,701.20

Finding the Fourth Proportional to 18,443,342.30, 27,682,728.15 and 9,355,701.20

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Solution

The fourth proportional to 18,443,342.30, 27,682,728.15 and 9,355,701.20 is: 14,042,537.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,443,342.30 : 27,682,728.15 = 9,355,701.20 : x
  2. Step 2: Convert to fraction form
    18,443,342.30/27,682,728.15 = 9,355,701.20/x
  3. Step 3: Cross multiply
    18,443,342.30x = 27,682,728.15 × 9,355,701.20
  4. Step 4: Simplify right side
    18,443,342.30x = 258,991,332,972,228.75
  5. Step 5: Solve for x
    x = 258,991,332,972,228.75/18,443,342.30
  6. Step 6: Final answer
    x = 14,042,537.88

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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.