Home / 10,863,736.70-16,276,942.65-5,171,704.70

Finding the Fourth Proportional to 10,863,736.70, 16,276,942.65 and 5,171,704.70

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Solution

The fourth proportional to 10,863,736.70, 16,276,942.65 and 5,171,704.70 is: 7,748,672.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,863,736.70 : 16,276,942.65 = 5,171,704.70 : x
  2. Step 2: Convert to fraction form
    10,863,736.70/16,276,942.65 = 5,171,704.70/x
  3. Step 3: Cross multiply
    10,863,736.70x = 16,276,942.65 × 5,171,704.70
  4. Step 4: Simplify right side
    10,863,736.70x = 84,179,540,804,635.45
  5. Step 5: Solve for x
    x = 84,179,540,804,635.45/10,863,736.70
  6. Step 6: Final answer
    x = 7,748,672.78

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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.