Home / 18,805,816.88-28,219,354.16-8,022,098.96

Finding the Fourth Proportional to 18,805,816.88, 28,219,354.16 and 8,022,098.96

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Solution

The fourth proportional to 18,805,816.88, 28,219,354.16 and 8,022,098.96 is: 12,037,682.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,805,816.88 : 28,219,354.16 = 8,022,098.96 : x
  2. Step 2: Convert to fraction form
    18,805,816.88/28,219,354.16 = 8,022,098.96/x
  3. Step 3: Cross multiply
    18,805,816.88x = 28,219,354.16 × 8,022,098.96
  4. Step 4: Simplify right side
    18,805,816.88x = 226,378,451,658,807.69
  5. Step 5: Solve for x
    x = 226,378,451,658,807.69/18,805,816.88
  6. Step 6: Final answer
    x = 12,037,682.44

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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.