Home / 12,219,599.45-18,331,759.50-4,645,976.33

Finding the Fourth Proportional to 12,219,599.45, 18,331,759.50 and 4,645,976.33

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Solution

The fourth proportional to 12,219,599.45, 18,331,759.50 and 4,645,976.33 is: 6,969,861.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,219,599.45 : 18,331,759.50 = 4,645,976.33 : x
  2. Step 2: Convert to fraction form
    12,219,599.45/18,331,759.50 = 4,645,976.33/x
  3. Step 3: Cross multiply
    12,219,599.45x = 18,331,759.50 × 4,645,976.33
  4. Step 4: Simplify right side
    12,219,599.45x = 85,168,920,632,593.84
  5. Step 5: Solve for x
    x = 85,168,920,632,593.84/12,219,599.45
  6. Step 6: Final answer
    x = 6,969,861.90

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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.