Home / 10,120,942.92-15,179,723.10-4,439,641.80

Finding the Fourth Proportional to 10,120,942.92, 15,179,723.10 and 4,439,641.80

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Solution

The fourth proportional to 10,120,942.92, 15,179,723.10 and 4,439,641.80 is: 6,658,720.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,120,942.92 : 15,179,723.10 = 4,439,641.80 : x
  2. Step 2: Convert to fraction form
    10,120,942.92/15,179,723.10 = 4,439,641.80/x
  3. Step 3: Cross multiply
    10,120,942.92x = 15,179,723.10 × 4,439,641.80
  4. Step 4: Simplify right side
    10,120,942.92x = 67,392,533,187,185.58
  5. Step 5: Solve for x
    x = 67,392,533,187,185.58/10,120,942.92
  6. Step 6: Final answer
    x = 6,658,720.80

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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.