Home / 11,789,938.12-16,269,999.78-6,562,863.40

Finding the Fourth Proportional to 11,789,938.12, 16,269,999.78 and 6,562,863.40

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Solution

The fourth proportional to 11,789,938.12, 16,269,999.78 and 6,562,863.40 is: 9,056,687.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,789,938.12 : 16,269,999.78 = 6,562,863.40 : x
  2. Step 2: Convert to fraction form
    11,789,938.12/16,269,999.78 = 6,562,863.40/x
  3. Step 3: Cross multiply
    11,789,938.12x = 16,269,999.78 × 6,562,863.40
  4. Step 4: Simplify right side
    11,789,938.12x = 106,777,786,074,170.05
  5. Step 5: Solve for x
    x = 106,777,786,074,170.05/11,789,938.12
  6. Step 6: Final answer
    x = 9,056,687.57

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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.