Home / 12,915,608.20-19,373,412.30-4,396,222.60

Finding the Fourth Proportional to 12,915,608.20, 19,373,412.30 and 4,396,222.60

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Solution

The fourth proportional to 12,915,608.20, 19,373,412.30 and 4,396,222.60 is: 6,594,333.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,915,608.20 : 19,373,412.30 = 4,396,222.60 : x
  2. Step 2: Convert to fraction form
    12,915,608.20/19,373,412.30 = 4,396,222.60/x
  3. Step 3: Cross multiply
    12,915,608.20x = 19,373,412.30 × 4,396,222.60
  4. Step 4: Simplify right side
    12,915,608.20x = 85,169,832,992,377.97
  5. Step 5: Solve for x
    x = 85,169,832,992,377.97/12,915,608.20
  6. Step 6: Final answer
    x = 6,594,333.90

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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.