Home / 11,178,145.80-16,767,218.70-10,469,557.80

Finding the Fourth Proportional to 11,178,145.80, 16,767,218.70 and 10,469,557.80

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Solution

The fourth proportional to 11,178,145.80, 16,767,218.70 and 10,469,557.80 is: 15,704,336.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,178,145.80 : 16,767,218.70 = 10,469,557.80 : x
  2. Step 2: Convert to fraction form
    11,178,145.80/16,767,218.70 = 10,469,557.80/x
  3. Step 3: Cross multiply
    11,178,145.80x = 16,767,218.70 × 10,469,557.80
  4. Step 4: Simplify right side
    11,178,145.80x = 175,545,365,324,890.88
  5. Step 5: Solve for x
    x = 175,545,365,324,890.88/11,178,145.80
  6. Step 6: Final answer
    x = 15,704,336.70

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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.