Home / 9,728,382.66-13,425,170.99-5,318,127.47

Finding the Fourth Proportional to 9,728,382.66, 13,425,170.99 and 5,318,127.47

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Solution

The fourth proportional to 9,728,382.66, 13,425,170.99 and 5,318,127.47 is: 7,339,017.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,728,382.66 : 13,425,170.99 = 5,318,127.47 : x
  2. Step 2: Convert to fraction form
    9,728,382.66/13,425,170.99 = 5,318,127.47/x
  3. Step 3: Cross multiply
    9,728,382.66x = 13,425,170.99 × 5,318,127.47
  4. Step 4: Simplify right side
    9,728,382.66x = 71,396,770,537,649.59
  5. Step 5: Solve for x
    x = 71,396,770,537,649.59/9,728,382.66
  6. Step 6: Final answer
    x = 7,339,017.49

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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.