Home / 9,168,676.40-13,753,014.60-8,212,082.60

Finding the Fourth Proportional to 9,168,676.40, 13,753,014.60 and 8,212,082.60

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Solution

The fourth proportional to 9,168,676.40, 13,753,014.60 and 8,212,082.60 is: 12,318,123.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,168,676.40 : 13,753,014.60 = 8,212,082.60 : x
  2. Step 2: Convert to fraction form
    9,168,676.40/13,753,014.60 = 8,212,082.60/x
  3. Step 3: Cross multiply
    9,168,676.40x = 13,753,014.60 × 8,212,082.60
  4. Step 4: Simplify right side
    9,168,676.40x = 112,940,891,894,205.95
  5. Step 5: Solve for x
    x = 112,940,891,894,205.95/9,168,676.40
  6. Step 6: Final answer
    x = 12,318,123.90

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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.