Home / 18,393,536.07-25,383,086.78-10,663,059.69

Finding the Fourth Proportional to 18,393,536.07, 25,383,086.78 and 10,663,059.69

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Solution

The fourth proportional to 18,393,536.07, 25,383,086.78 and 10,663,059.69 is: 14,715,026.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,393,536.07 : 25,383,086.78 = 10,663,059.69 : x
  2. Step 2: Convert to fraction form
    18,393,536.07/25,383,086.78 = 10,663,059.69/x
  3. Step 3: Cross multiply
    18,393,536.07x = 25,383,086.78 × 10,663,059.69
  4. Step 4: Simplify right side
    18,393,536.07x = 270,661,369,398,274.56
  5. Step 5: Solve for x
    x = 270,661,369,398,274.56/18,393,536.07
  6. Step 6: Final answer
    x = 14,715,026.43

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1.5x scale

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.