Home / 6,512,912.80-8,988,255.12-3,613,225.12

Finding the Fourth Proportional to 6,512,912.80, 8,988,255.12 and 3,613,225.12

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Solution

The fourth proportional to 6,512,912.80, 8,988,255.12 and 3,613,225.12 is: 4,986,492.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,512,912.80 : 8,988,255.12 = 3,613,225.12 : x
  2. Step 2: Convert to fraction form
    6,512,912.80/8,988,255.12 = 3,613,225.12/x
  3. Step 3: Cross multiply
    6,512,912.80x = 8,988,255.12 × 3,613,225.12
  4. Step 4: Simplify right side
    6,512,912.80x = 32,476,589,184,552.61
  5. Step 5: Solve for x
    x = 32,476,589,184,552.61/6,512,912.80
  6. Step 6: Final answer
    x = 4,986,492.25

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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.