Home / 18,172,020.28-25,080,103.56-11,653,010.68

Finding the Fourth Proportional to 18,172,020.28, 25,080,103.56 and 11,653,010.68

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Solution

The fourth proportional to 18,172,020.28, 25,080,103.56 and 11,653,010.68 is: 16,082,896.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,172,020.28 : 25,080,103.56 = 11,653,010.68 : x
  2. Step 2: Convert to fraction form
    18,172,020.28/25,080,103.56 = 11,653,010.68/x
  3. Step 3: Cross multiply
    18,172,020.28x = 25,080,103.56 × 11,653,010.68
  4. Step 4: Simplify right side
    18,172,020.28x = 292,258,714,640,186
  5. Step 5: Solve for x
    x = 292,258,714,640,186/18,172,020.28
  6. Step 6: Final answer
    x = 16,082,896.13

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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.