Home / 18,172,016.28-25,080,098.04-11,653,006.68

Finding the Fourth Proportional to 18,172,016.28, 25,080,098.04 and 11,653,006.68

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Solution

The fourth proportional to 18,172,016.28, 25,080,098.04 and 11,653,006.68 is: 16,082,890.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,172,016.28 : 25,080,098.04 = 11,653,006.68 : x
  2. Step 2: Convert to fraction form
    18,172,016.28/25,080,098.04 = 11,653,006.68/x
  3. Step 3: Cross multiply
    18,172,016.28x = 25,080,098.04 × 11,653,006.68
  4. Step 4: Simplify right side
    18,172,016.28x = 292,258,549,995,174.88
  5. Step 5: Solve for x
    x = 292,258,549,995,174.88/18,172,016.28
  6. Step 6: Final answer
    x = 16,082,890.61

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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.