Home / 8,265,018.20-12,397,653.05-3,147,731.15

Finding the Fourth Proportional to 8,265,018.20, 12,397,653.05 and 3,147,731.15

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Solution

The fourth proportional to 8,265,018.20, 12,397,653.05 and 3,147,731.15 is: 4,721,644.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,265,018.20 : 12,397,653.05 = 3,147,731.15 : x
  2. Step 2: Convert to fraction form
    8,265,018.20/12,397,653.05 = 3,147,731.15/x
  3. Step 3: Cross multiply
    8,265,018.20x = 12,397,653.05 × 3,147,731.15
  4. Step 4: Simplify right side
    8,265,018.20x = 39,024,478,614,650.59
  5. Step 5: Solve for x
    x = 39,024,478,614,650.59/8,265,018.20
  6. Step 6: Final answer
    x = 4,721,644.61

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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.