Home / 20,757,776.10-31,139,635.62-6,382,050.84

Finding the Fourth Proportional to 20,757,776.10, 31,139,635.62 and 6,382,050.84

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Solution

The fourth proportional to 20,757,776.10, 31,139,635.62 and 6,382,050.84 is: 9,573,989.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,757,776.10 : 31,139,635.62 = 6,382,050.84 : x
  2. Step 2: Convert to fraction form
    20,757,776.10/31,139,635.62 = 6,382,050.84/x
  3. Step 3: Cross multiply
    20,757,776.10x = 31,139,635.62 × 6,382,050.84
  4. Step 4: Simplify right side
    20,757,776.10x = 198,734,737,665,914.94
  5. Step 5: Solve for x
    x = 198,734,737,665,914.94/20,757,776.10
  6. Step 6: Final answer
    x = 9,573,989.85

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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.