Home / 18,443,338.30-27,682,722.15-9,355,697.20

Finding the Fourth Proportional to 18,443,338.30, 27,682,722.15 and 9,355,697.20

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Solution

The fourth proportional to 18,443,338.30, 27,682,722.15 and 9,355,697.20 is: 14,042,531.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,443,338.30 : 27,682,722.15 = 9,355,697.20 : x
  2. Step 2: Convert to fraction form
    18,443,338.30/27,682,722.15 = 9,355,697.20/x
  3. Step 3: Cross multiply
    18,443,338.30x = 27,682,722.15 × 9,355,697.20
  4. Step 4: Simplify right side
    18,443,338.30x = 258,991,166,107,132.94
  5. Step 5: Solve for x
    x = 258,991,166,107,132.94/18,443,338.30
  6. Step 6: Final answer
    x = 14,042,531.88

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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.