Home / 9,231,142-12,738,944.64-5,101,057.84

Finding the Fourth Proportional to 9,231,142, 12,738,944.64 and 5,101,057.84

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Solution

The fourth proportional to 9,231,142, 12,738,944.64 and 5,101,057.84 is: 7,039,442.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,231,142 : 12,738,944.64 = 5,101,057.84 : x
  2. Step 2: Convert to fraction form
    9,231,142/12,738,944.64 = 5,101,057.84/x
  3. Step 3: Cross multiply
    9,231,142x = 12,738,944.64 × 5,101,057.84
  4. Step 4: Simplify right side
    9,231,142x = 64,982,093,429,197.98
  5. Step 5: Solve for x
    x = 64,982,093,429,197.98/9,231,142
  6. Step 6: Final answer
    x = 7,039,442.51

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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.