Home / 18,987,715.30-28,481,179.20-4,610,858.44

Finding the Fourth Proportional to 18,987,715.30, 28,481,179.20 and 4,610,858.44

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Solution

The fourth proportional to 18,987,715.30, 28,481,179.20 and 4,610,858.44 is: 6,916,192.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,987,715.30 : 28,481,179.20 = 4,610,858.44 : x
  2. Step 2: Convert to fraction form
    18,987,715.30/28,481,179.20 = 4,610,858.44/x
  3. Step 3: Cross multiply
    18,987,715.30x = 28,481,179.20 × 4,610,858.44
  4. Step 4: Simplify right side
    18,987,715.30x = 131,322,685,495,472.45
  5. Step 5: Solve for x
    x = 131,322,685,495,472.45/18,987,715.30
  6. Step 6: Final answer
    x = 6,916,192.04

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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.