Home / 12,203,121.70-18,311,940.15-4,630,852.90

Finding the Fourth Proportional to 12,203,121.70, 18,311,940.15 and 4,630,852.90

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Solution

The fourth proportional to 12,203,121.70, 18,311,940.15 and 4,630,852.90 is: 6,949,033.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,203,121.70 : 18,311,940.15 = 4,630,852.90 : x
  2. Step 2: Convert to fraction form
    12,203,121.70/18,311,940.15 = 4,630,852.90/x
  3. Step 3: Cross multiply
    12,203,121.70x = 18,311,940.15 × 4,630,852.90
  4. Step 4: Simplify right side
    12,203,121.70x = 84,799,901,148,253.94
  5. Step 5: Solve for x
    x = 84,799,901,148,253.94/12,203,121.70
  6. Step 6: Final answer
    x = 6,949,033.47

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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.