Home / 7,243,286.16-9,995,732.24-3,980,311.12

Finding the Fourth Proportional to 7,243,286.16, 9,995,732.24 and 3,980,311.12

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Solution

The fourth proportional to 7,243,286.16, 9,995,732.24 and 3,980,311.12 is: 5,492,827.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,243,286.16 : 9,995,732.24 = 3,980,311.12 : x
  2. Step 2: Convert to fraction form
    7,243,286.16/9,995,732.24 = 3,980,311.12/x
  3. Step 3: Cross multiply
    7,243,286.16x = 9,995,732.24 × 3,980,311.12
  4. Step 4: Simplify right side
    7,243,286.16x = 39,786,124,187,414.51
  5. Step 5: Solve for x
    x = 39,786,124,187,414.51/7,243,286.16
  6. Step 6: Final answer
    x = 5,492,827.88

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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.