Home / 12,418,491.20-18,630,836.32-4,331,583.28

Finding the Fourth Proportional to 12,418,491.20, 18,630,836.32 and 4,331,583.28

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Solution

The fourth proportional to 12,418,491.20, 18,630,836.32 and 4,331,583.28 is: 6,498,456.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,418,491.20 : 18,630,836.32 = 4,331,583.28 : x
  2. Step 2: Convert to fraction form
    12,418,491.20/18,630,836.32 = 4,331,583.28/x
  3. Step 3: Cross multiply
    12,418,491.20x = 18,630,836.32 × 4,331,583.28
  4. Step 4: Simplify right side
    12,418,491.20x = 80,701,019,096,128.73
  5. Step 5: Solve for x
    x = 80,701,019,096,128.73/12,418,491.20
  6. Step 6: Final answer
    x = 6,498,456.04

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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.