Home / 8,229,980.79-11,361,311.78-5,481,242.55

Finding the Fourth Proportional to 8,229,980.79, 11,361,311.78 and 5,481,242.55

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Solution

The fourth proportional to 8,229,980.79, 11,361,311.78 and 5,481,242.55 is: 7,566,737.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,229,980.79 : 11,361,311.78 = 5,481,242.55 : x
  2. Step 2: Convert to fraction form
    8,229,980.79/11,361,311.78 = 5,481,242.55/x
  3. Step 3: Cross multiply
    8,229,980.79x = 11,361,311.78 × 5,481,242.55
  4. Step 4: Simplify right side
    8,229,980.79x = 62,274,105,524,946.02
  5. Step 5: Solve for x
    x = 62,274,105,524,946.02/8,229,980.79
  6. Step 6: Final answer
    x = 7,566,737.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.