Home / 8,059,477.20-12,081,342.60-7,209,171.60

Finding the Fourth Proportional to 8,059,477.20, 12,081,342.60 and 7,209,171.60

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Solution

The fourth proportional to 8,059,477.20, 12,081,342.60 and 7,209,171.60 is: 10,806,714.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,059,477.20 : 12,081,342.60 = 7,209,171.60 : x
  2. Step 2: Convert to fraction form
    8,059,477.20/12,081,342.60 = 7,209,171.60/x
  3. Step 3: Cross multiply
    8,059,477.20x = 12,081,342.60 × 7,209,171.60
  4. Step 4: Simplify right side
    8,059,477.20x = 87,096,471,961,790.16
  5. Step 5: Solve for x
    x = 87,096,471,961,790.16/8,059,477.20
  6. Step 6: Final answer
    x = 10,806,714.85

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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.