Home / 18,665,391.70-25,758,234.69-10,080,687.70

Finding the Fourth Proportional to 18,665,391.70, 25,758,234.69 and 10,080,687.70

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Solution

The fourth proportional to 18,665,391.70, 25,758,234.69 and 10,080,687.70 is: 13,911,345.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,665,391.70 : 25,758,234.69 = 10,080,687.70 : x
  2. Step 2: Convert to fraction form
    18,665,391.70/25,758,234.69 = 10,080,687.70/x
  3. Step 3: Cross multiply
    18,665,391.70x = 25,758,234.69 × 10,080,687.70
  4. Step 4: Simplify right side
    18,665,391.70x = 259,660,719,613,196.31
  5. Step 5: Solve for x
    x = 259,660,719,613,196.31/18,665,391.70
  6. Step 6: Final answer
    x = 13,911,345.86

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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.