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Finding the Fourth Proportional to 18,100,366.77, 24,978,506.16 and 9,951,604.77

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Solution

The fourth proportional to 18,100,366.77, 24,978,506.16 and 9,951,604.77 is: 13,733,214.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,100,366.77 : 24,978,506.16 = 9,951,604.77 : x
  2. Step 2: Convert to fraction form
    18,100,366.77/24,978,506.16 = 9,951,604.77/x
  3. Step 3: Cross multiply
    18,100,366.77x = 24,978,506.16 × 9,951,604.77
  4. Step 4: Simplify right side
    18,100,366.77x = 248,576,221,049,330.38
  5. Step 5: Solve for x
    x = 248,576,221,049,330.38/18,100,366.77
  6. Step 6: Final answer
    x = 13,733,214.59

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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.