Home / 12,211,794.40-18,320,348.40-3,691,908.40

Finding the Fourth Proportional to 12,211,794.40, 18,320,348.40 and 3,691,908.40

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Solution

The fourth proportional to 12,211,794.40, 18,320,348.40 and 3,691,908.40 is: 5,538,665.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,211,794.40 : 18,320,348.40 = 3,691,908.40 : x
  2. Step 2: Convert to fraction form
    12,211,794.40/18,320,348.40 = 3,691,908.40/x
  3. Step 3: Cross multiply
    12,211,794.40x = 18,320,348.40 × 3,691,908.40
  4. Step 4: Simplify right side
    12,211,794.40x = 67,637,048,148,886.55
  5. Step 5: Solve for x
    x = 67,637,048,148,886.55/12,211,794.40
  6. Step 6: Final answer
    x = 5,538,665.81

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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.