Home / 7,231,682.34-9,979,844.13-3,968,800.65

Finding the Fourth Proportional to 7,231,682.34, 9,979,844.13 and 3,968,800.65

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Solution

The fourth proportional to 7,231,682.34, 9,979,844.13 and 3,968,800.65 is: 5,477,012.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,231,682.34 : 9,979,844.13 = 3,968,800.65 : x
  2. Step 2: Convert to fraction form
    7,231,682.34/9,979,844.13 = 3,968,800.65/x
  3. Step 3: Cross multiply
    7,231,682.34x = 9,979,844.13 × 3,968,800.65
  4. Step 4: Simplify right side
    7,231,682.34x = 39,608,011,870,042.69
  5. Step 5: Solve for x
    x = 39,608,011,870,042.69/7,231,682.34
  6. Step 6: Final answer
    x = 5,477,012.13

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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.