Home / 9,066,379.91-12,511,911.29-4,936,571.21

Finding the Fourth Proportional to 9,066,379.91, 12,511,911.29 and 4,936,571.21

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Solution

The fourth proportional to 9,066,379.91, 12,511,911.29 and 4,936,571.21 is: 6,812,635.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,066,379.91 : 12,511,911.29 = 4,936,571.21 : x
  2. Step 2: Convert to fraction form
    9,066,379.91/12,511,911.29 = 4,936,571.21/x
  3. Step 3: Cross multiply
    9,066,379.91x = 12,511,911.29 × 4,936,571.21
  4. Step 4: Simplify right side
    9,066,379.91x = 61,765,940,969,045.55
  5. Step 5: Solve for x
    x = 61,765,940,969,045.55/9,066,379.91
  6. Step 6: Final answer
    x = 6,812,635.43

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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.