Home / 8,479,147.72-12,718,421.88-2,413,912

Finding the Fourth Proportional to 8,479,147.72, 12,718,421.88 and 2,413,912

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Solution

The fourth proportional to 8,479,147.72, 12,718,421.88 and 2,413,912 is: 3,620,782.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,479,147.72 : 12,718,421.88 = 2,413,912 : x
  2. Step 2: Convert to fraction form
    8,479,147.72/12,718,421.88 = 2,413,912/x
  3. Step 3: Cross multiply
    8,479,147.72x = 12,718,421.88 × 2,413,912
  4. Step 4: Simplify right side
    8,479,147.72x = 30,701,151,197,194.56
  5. Step 5: Solve for x
    x = 30,701,151,197,194.56/8,479,147.72
  6. Step 6: Final answer
    x = 3,620,782.68

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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.