Home / 9,509,899.38-13,123,661.15-5,435,605.86

Finding the Fourth Proportional to 9,509,899.38, 13,123,661.15 and 5,435,605.86

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Solution

The fourth proportional to 9,509,899.38, 13,123,661.15 and 5,435,605.86 is: 7,501,136.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,509,899.38 : 13,123,661.15 = 5,435,605.86 : x
  2. Step 2: Convert to fraction form
    9,509,899.38/13,123,661.15 = 5,435,605.86/x
  3. Step 3: Cross multiply
    9,509,899.38x = 13,123,661.15 × 5,435,605.86
  4. Step 4: Simplify right side
    9,509,899.38x = 71,335,049,465,183.36
  5. Step 5: Solve for x
    x = 71,335,049,465,183.36/9,509,899.38
  6. Step 6: Final answer
    x = 7,501,136.09

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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.