Home / 12,322,068.55-16,999,247.78-8,248,999.75

Finding the Fourth Proportional to 12,322,068.55, 16,999,247.78 and 8,248,999.75

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Solution

The fourth proportional to 12,322,068.55, 16,999,247.78 and 8,248,999.75 is: 11,380,133.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,322,068.55 : 16,999,247.78 = 8,248,999.75 : x
  2. Step 2: Convert to fraction form
    12,322,068.55/16,999,247.78 = 8,248,999.75/x
  3. Step 3: Cross multiply
    12,322,068.55x = 16,999,247.78 × 8,248,999.75
  4. Step 4: Simplify right side
    12,322,068.55x = 140,226,790,687,408.06
  5. Step 5: Solve for x
    x = 140,226,790,687,408.06/12,322,068.55
  6. Step 6: Final answer
    x = 11,380,133.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.