Home / 8,129,436.78-12,194,148.82-2,449,661.16

Finding the Fourth Proportional to 8,129,436.78, 12,194,148.82 and 2,449,661.16

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Solution

The fourth proportional to 8,129,436.78, 12,194,148.82 and 2,449,661.16 is: 3,674,489.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,129,436.78 : 12,194,148.82 = 2,449,661.16 : x
  2. Step 2: Convert to fraction form
    8,129,436.78/12,194,148.82 = 2,449,661.16/x
  3. Step 3: Cross multiply
    8,129,436.78x = 12,194,148.82 × 2,449,661.16
  4. Step 4: Simplify right side
    8,129,436.78x = 29,871,532,743,613.83
  5. Step 5: Solve for x
    x = 29,871,532,743,613.83/8,129,436.78
  6. Step 6: Final answer
    x = 3,674,489.83

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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.