Home / 8,197,814.40-12,296,721.60-2,518,321.20

Finding the Fourth Proportional to 8,197,814.40, 12,296,721.60 and 2,518,321.20

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Solution

The fourth proportional to 8,197,814.40, 12,296,721.60 and 2,518,321.20 is: 3,777,481.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,197,814.40 : 12,296,721.60 = 2,518,321.20 : x
  2. Step 2: Convert to fraction form
    8,197,814.40/12,296,721.60 = 2,518,321.20/x
  3. Step 3: Cross multiply
    8,197,814.40x = 12,296,721.60 × 2,518,321.20
  4. Step 4: Simplify right side
    8,197,814.40x = 30,967,094,695,777.92
  5. Step 5: Solve for x
    x = 30,967,094,695,777.92/8,197,814.40
  6. Step 6: Final answer
    x = 3,777,481.80

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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.