Home / 7,961,128.39-10,986,740.74-4,477,558.15

Finding the Fourth Proportional to 7,961,128.39, 10,986,740.74 and 4,477,558.15

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Solution

The fourth proportional to 7,961,128.39, 10,986,740.74 and 4,477,558.15 is: 6,179,245.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,961,128.39 : 10,986,740.74 = 4,477,558.15 : x
  2. Step 2: Convert to fraction form
    7,961,128.39/10,986,740.74 = 4,477,558.15/x
  3. Step 3: Cross multiply
    7,961,128.39x = 10,986,740.74 × 4,477,558.15
  4. Step 4: Simplify right side
    7,961,128.39x = 49,193,770,542,324.04
  5. Step 5: Solve for x
    x = 49,193,770,542,324.04/7,961,128.39
  6. Step 6: Final answer
    x = 6,179,245.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.