Home / 12,211,818.48-18,318,375.72-3,691,937.52

Finding the Fourth Proportional to 12,211,818.48, 18,318,375.72 and 3,691,937.52

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Solution

The fourth proportional to 12,211,818.48, 18,318,375.72 and 3,691,937.52 is: 5,538,102.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,211,818.48 : 18,318,375.72 = 3,691,937.52 : x
  2. Step 2: Convert to fraction form
    12,211,818.48/18,318,375.72 = 3,691,937.52/x
  3. Step 3: Cross multiply
    12,211,818.48x = 18,318,375.72 × 3,691,937.52
  4. Step 4: Simplify right side
    12,211,818.48x = 67,630,298,626,125.01
  5. Step 5: Solve for x
    x = 67,630,298,626,125.01/12,211,818.48
  6. Step 6: Final answer
    x = 5,538,102.19

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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.