Home / 12,251,941.70-18,377,912.55-8,850,719.30

Finding the Fourth Proportional to 12,251,941.70, 18,377,912.55 and 8,850,719.30

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Solution

The fourth proportional to 12,251,941.70, 18,377,912.55 and 8,850,719.30 is: 13,276,078.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,251,941.70 : 18,377,912.55 = 8,850,719.30 : x
  2. Step 2: Convert to fraction form
    12,251,941.70/18,377,912.55 = 8,850,719.30/x
  3. Step 3: Cross multiply
    12,251,941.70x = 18,377,912.55 × 8,850,719.30
  4. Step 4: Simplify right side
    12,251,941.70x = 162,657,745,299,997.25
  5. Step 5: Solve for x
    x = 162,657,745,299,997.25/12,251,941.70
  6. Step 6: Final answer
    x = 13,276,078.95

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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.