Home / 8,229,981.79-11,361,313.16-5,481,243.55

Finding the Fourth Proportional to 8,229,981.79, 11,361,313.16 and 5,481,243.55

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Solution

The fourth proportional to 8,229,981.79, 11,361,313.16 and 5,481,243.55 is: 7,566,739.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,229,981.79 : 11,361,313.16 = 5,481,243.55 : x
  2. Step 2: Convert to fraction form
    8,229,981.79/11,361,313.16 = 5,481,243.55/x
  3. Step 3: Cross multiply
    8,229,981.79x = 11,361,313.16 × 5,481,243.55
  4. Step 4: Simplify right side
    8,229,981.79x = 62,274,124,477,780.12
  5. Step 5: Solve for x
    x = 62,274,124,477,780.12/8,229,981.79
  6. Step 6: Final answer
    x = 7,566,739.04

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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.