Home / 8,227,314.72-12,348,932.76-3,970,479.60

Finding the Fourth Proportional to 8,227,314.72, 12,348,932.76 and 3,970,479.60

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Solution

The fourth proportional to 8,227,314.72, 12,348,932.76 and 3,970,479.60 is: 5,959,561.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,227,314.72 : 12,348,932.76 = 3,970,479.60 : x
  2. Step 2: Convert to fraction form
    8,227,314.72/12,348,932.76 = 3,970,479.60/x
  3. Step 3: Cross multiply
    8,227,314.72x = 12,348,932.76 × 3,970,479.60
  4. Step 4: Simplify right side
    8,227,314.72x = 49,031,185,605,351.70
  5. Step 5: Solve for x
    x = 49,031,185,605,351.70/8,227,314.72
  6. Step 6: Final answer
    x = 5,959,561.20

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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.