Home / 9,135,186.41-12,603,453.71-5,212,124.24

Finding the Fourth Proportional to 9,135,186.41, 12,603,453.71 and 5,212,124.24

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Solution

The fourth proportional to 9,135,186.41, 12,603,453.71 and 5,212,124.24 is: 7,190,960.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,135,186.41 : 12,603,453.71 = 5,212,124.24 : x
  2. Step 2: Convert to fraction form
    9,135,186.41/12,603,453.71 = 5,212,124.24/x
  3. Step 3: Cross multiply
    9,135,186.41x = 12,603,453.71 × 5,212,124.24
  4. Step 4: Simplify right side
    9,135,186.41x = 65,690,766,576,578.62
  5. Step 5: Solve for x
    x = 65,690,766,576,578.62/9,135,186.41
  6. Step 6: Final answer
    x = 7,190,960.71

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1.5x scale

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.