Home / 8,081,682.28-12,109,201.96-7,248,302.44

Finding the Fourth Proportional to 8,081,682.28, 12,109,201.96 and 7,248,302.44

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Solution

The fourth proportional to 8,081,682.28, 12,109,201.96 and 7,248,302.44 is: 10,860,505.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,081,682.28 : 12,109,201.96 = 7,248,302.44 : x
  2. Step 2: Convert to fraction form
    8,081,682.28/12,109,201.96 = 7,248,302.44/x
  3. Step 3: Cross multiply
    8,081,682.28x = 12,109,201.96 × 7,248,302.44
  4. Step 4: Simplify right side
    8,081,682.28x = 87,771,158,113,120.80
  5. Step 5: Solve for x
    x = 87,771,158,113,120.80/8,081,682.28
  6. Step 6: Final answer
    x = 10,860,505.90

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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.