Home / 18,370,800.46-25,351,706.93-9,998,201.78

Finding the Fourth Proportional to 18,370,800.46, 25,351,706.93 and 9,998,201.78

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Solution

The fourth proportional to 18,370,800.46, 25,351,706.93 and 9,998,201.78 is: 13,797,519.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,370,800.46 : 25,351,706.93 = 9,998,201.78 : x
  2. Step 2: Convert to fraction form
    18,370,800.46/25,351,706.93 = 9,998,201.78/x
  3. Step 3: Cross multiply
    18,370,800.46x = 25,351,706.93 × 9,998,201.78
  4. Step 4: Simplify right side
    18,370,800.46x = 253,471,481,353,564.31
  5. Step 5: Solve for x
    x = 253,471,481,353,564.31/18,370,800.46
  6. Step 6: Final answer
    x = 13,797,519.71

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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.