Home / 12,277,786.67-18,361,400.12-10,919,544.94

Finding the Fourth Proportional to 12,277,786.67, 18,361,400.12 and 10,919,544.94

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Solution

The fourth proportional to 12,277,786.67, 18,361,400.12 and 10,919,544.94 is: 16,330,152.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,277,786.67 : 18,361,400.12 = 10,919,544.94 : x
  2. Step 2: Convert to fraction form
    12,277,786.67/18,361,400.12 = 10,919,544.94/x
  3. Step 3: Cross multiply
    12,277,786.67x = 18,361,400.12 × 10,919,544.94
  4. Step 4: Simplify right side
    12,277,786.67x = 200,498,133,771,661.41
  5. Step 5: Solve for x
    x = 200,498,133,771,661.41/12,277,786.67
  6. Step 6: Final answer
    x = 16,330,152.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.