Home / 12,420,873.38-18,633,059.67-4,332,669.41

Finding the Fourth Proportional to 12,420,873.38, 18,633,059.67 and 4,332,669.41

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Solution

The fourth proportional to 12,420,873.38, 18,633,059.67 and 4,332,669.41 is: 6,499,614.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,420,873.38 : 18,633,059.67 = 4,332,669.41 : x
  2. Step 2: Convert to fraction form
    12,420,873.38/18,633,059.67 = 4,332,669.41/x
  3. Step 3: Cross multiply
    12,420,873.38x = 18,633,059.67 × 4,332,669.41
  4. Step 4: Simplify right side
    12,420,873.38x = 80,730,887,646,913.70
  5. Step 5: Solve for x
    x = 80,730,887,646,913.70/12,420,873.38
  6. Step 6: Final answer
    x = 6,499,614.41

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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.