Home / 12,282,834.43-18,387,859.97-9,102,236.59

Finding the Fourth Proportional to 12,282,834.43, 18,387,859.97 and 9,102,236.59

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Solution

The fourth proportional to 12,282,834.43, 18,387,859.97 and 9,102,236.59 is: 13,626,386.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,282,834.43 : 18,387,859.97 = 9,102,236.59 : x
  2. Step 2: Convert to fraction form
    12,282,834.43/18,387,859.97 = 9,102,236.59/x
  3. Step 3: Cross multiply
    12,282,834.43x = 18,387,859.97 × 9,102,236.59
  4. Step 4: Simplify right side
    12,282,834.43x = 167,370,651,825,270.66
  5. Step 5: Solve for x
    x = 167,370,651,825,270.66/12,282,834.43
  6. Step 6: Final answer
    x = 13,626,386.71

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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.