Home / 11,731,129.73-16,189,917.41-6,505,774.37

Finding the Fourth Proportional to 11,731,129.73, 16,189,917.41 and 6,505,774.37

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Solution

The fourth proportional to 11,731,129.73, 16,189,917.41 and 6,505,774.37 is: 8,978,500.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,731,129.73 : 16,189,917.41 = 6,505,774.37 : x
  2. Step 2: Convert to fraction form
    11,731,129.73/16,189,917.41 = 6,505,774.37/x
  3. Step 3: Cross multiply
    11,731,129.73x = 16,189,917.41 × 6,505,774.37
  4. Step 4: Simplify right side
    11,731,129.73x = 105,327,949,746,340.69
  5. Step 5: Solve for x
    x = 105,327,949,746,340.69/11,731,129.73
  6. Step 6: Final answer
    x = 8,978,500.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.