Home / 11,667,137.39-16,100,649.90-6,440,146.64

Finding the Fourth Proportional to 11,667,137.39, 16,100,649.90 and 6,440,146.64

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Solution

The fourth proportional to 11,667,137.39, 16,100,649.90 and 6,440,146.64 is: 8,887,402.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,667,137.39 : 16,100,649.90 = 6,440,146.64 : x
  2. Step 2: Convert to fraction form
    11,667,137.39/16,100,649.90 = 6,440,146.64/x
  3. Step 3: Cross multiply
    11,667,137.39x = 16,100,649.90 × 6,440,146.64
  4. Step 4: Simplify right side
    11,667,137.39x = 103,690,546,355,301.33
  5. Step 5: Solve for x
    x = 103,690,546,355,301.33/11,667,137.39
  6. Step 6: Final answer
    x = 8,887,402.53

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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.