Home / 18,131,734.02-27,200,555.30-5,353,530.42

Finding the Fourth Proportional to 18,131,734.02, 27,200,555.30 and 5,353,530.42

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Solution

The fourth proportional to 18,131,734.02, 27,200,555.30 and 5,353,530.42 is: 8,031,167.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,131,734.02 : 27,200,555.30 = 5,353,530.42 : x
  2. Step 2: Convert to fraction form
    18,131,734.02/27,200,555.30 = 5,353,530.42/x
  3. Step 3: Cross multiply
    18,131,734.02x = 27,200,555.30 × 5,353,530.42
  4. Step 4: Simplify right side
    18,131,734.02x = 145,619,000,171,440.84
  5. Step 5: Solve for x
    x = 145,619,000,171,440.84/18,131,734.02
  6. Step 6: Final answer
    x = 8,031,167.90

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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.