Home / 8,239,558.72-12,356,918.88-3,189,663.04

Finding the Fourth Proportional to 8,239,558.72, 12,356,918.88 and 3,189,663.04

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Solution

The fourth proportional to 8,239,558.72, 12,356,918.88 and 3,189,663.04 is: 4,783,558.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,239,558.72 : 12,356,918.88 = 3,189,663.04 : x
  2. Step 2: Convert to fraction form
    8,239,558.72/12,356,918.88 = 3,189,663.04/x
  3. Step 3: Cross multiply
    8,239,558.72x = 12,356,918.88 × 3,189,663.04
  4. Step 4: Simplify right side
    8,239,558.72x = 39,414,407,439,814.20
  5. Step 5: Solve for x
    x = 39,414,407,439,814.20/8,239,558.72
  6. Step 6: Final answer
    x = 4,783,558.05

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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.