Home / 6,512,908.80-8,988,249.60-3,613,221.12

Finding the Fourth Proportional to 6,512,908.80, 8,988,249.60 and 3,613,221.12

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Solution

The fourth proportional to 6,512,908.80, 8,988,249.60 and 3,613,221.12 is: 4,986,486.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,512,908.80 : 8,988,249.60 = 3,613,221.12 : x
  2. Step 2: Convert to fraction form
    6,512,908.80/8,988,249.60 = 3,613,221.12/x
  3. Step 3: Cross multiply
    6,512,908.80x = 8,988,249.60 × 3,613,221.12
  4. Step 4: Simplify right side
    6,512,908.80x = 32,476,533,286,551.55
  5. Step 5: Solve for x
    x = 32,476,533,286,551.55/6,512,908.80
  6. Step 6: Final answer
    x = 4,986,486.73

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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.