Home / 9,132,544.69-12,603,115.21-5,212,222.11

Finding the Fourth Proportional to 9,132,544.69, 12,603,115.21 and 5,212,222.11

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Solution

The fourth proportional to 9,132,544.69, 12,603,115.21 and 5,212,222.11 is: 7,192,982.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,132,544.69 : 12,603,115.21 = 5,212,222.11 : x
  2. Step 2: Convert to fraction form
    9,132,544.69/12,603,115.21 = 5,212,222.11/x
  3. Step 3: Cross multiply
    9,132,544.69x = 12,603,115.21 × 5,212,222.11
  4. Step 4: Simplify right side
    9,132,544.69x = 65,690,235,713,731.87
  5. Step 5: Solve for x
    x = 65,690,235,713,731.87/9,132,544.69
  6. Step 6: Final answer
    x = 7,192,982.68

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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.