Home / 9,720,997.28-13,415,383.84-5,591,029.58

Finding the Fourth Proportional to 9,720,997.28, 13,415,383.84 and 5,591,029.58

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Solution

The fourth proportional to 9,720,997.28, 13,415,383.84 and 5,591,029.58 is: 7,715,855.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,720,997.28 : 13,415,383.84 = 5,591,029.58 : x
  2. Step 2: Convert to fraction form
    9,720,997.28/13,415,383.84 = 5,591,029.58/x
  3. Step 3: Cross multiply
    9,720,997.28x = 13,415,383.84 × 5,591,029.58
  4. Step 4: Simplify right side
    9,720,997.28x = 75,005,807,876,493.98
  5. Step 5: Solve for x
    x = 75,005,807,876,493.98/9,720,997.28
  6. Step 6: Final answer
    x = 7,715,855.25

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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.