Home / 13,493,963.50-20,240,964.69-5,515,787.50

Finding the Fourth Proportional to 13,493,963.50, 20,240,964.69 and 5,515,787.50

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Solution

The fourth proportional to 13,493,963.50, 20,240,964.69 and 5,515,787.50 is: 8,273,689.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,493,963.50 : 20,240,964.69 = 5,515,787.50 : x
  2. Step 2: Convert to fraction form
    13,493,963.50/20,240,964.69 = 5,515,787.50/x
  3. Step 3: Cross multiply
    13,493,963.50x = 20,240,964.69 × 5,515,787.50
  4. Step 4: Simplify right side
    13,493,963.50x = 111,644,860,025,043.38
  5. Step 5: Solve for x
    x = 111,644,860,025,043.38/13,493,963.50
  6. Step 6: Final answer
    x = 8,273,689.20

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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.