Home / 10,121,628.82-13,967,500.36-5,772,115.02

Finding the Fourth Proportional to 10,121,628.82, 13,967,500.36 and 5,772,115.02

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Solution

The fourth proportional to 10,121,628.82, 13,967,500.36 and 5,772,115.02 is: 7,965,320.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,121,628.82 : 13,967,500.36 = 5,772,115.02 : x
  2. Step 2: Convert to fraction form
    10,121,628.82/13,967,500.36 = 5,772,115.02/x
  3. Step 3: Cross multiply
    10,121,628.82x = 13,967,500.36 × 5,772,115.02
  4. Step 4: Simplify right side
    10,121,628.82x = 80,622,018,619,811.39
  5. Step 5: Solve for x
    x = 80,622,018,619,811.39/10,121,628.82
  6. Step 6: Final answer
    x = 7,965,320.61

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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.