Home / 11,667,132.57-16,100,643.27-6,440,141.82

Finding the Fourth Proportional to 11,667,132.57, 16,100,643.27 and 6,440,141.82

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Solution

The fourth proportional to 11,667,132.57, 16,100,643.27 and 6,440,141.82 is: 8,887,395.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,667,132.57 : 16,100,643.27 = 6,440,141.82 : x
  2. Step 2: Convert to fraction form
    11,667,132.57/16,100,643.27 = 6,440,141.82/x
  3. Step 3: Cross multiply
    11,667,132.57x = 16,100,643.27 × 6,440,141.82
  4. Step 4: Simplify right side
    11,667,132.57x = 103,690,426,052,028.55
  5. Step 5: Solve for x
    x = 103,690,426,052,028.55/11,667,132.57
  6. Step 6: Final answer
    x = 8,887,395.89

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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.