Home / 18,546,668.76-25,570,883.46-13,254,687.66

Finding the Fourth Proportional to 18,546,668.76, 25,570,883.46 and 13,254,687.66

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Solution

The fourth proportional to 18,546,668.76, 25,570,883.46 and 13,254,687.66 is: 18,274,660.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,546,668.76 : 25,570,883.46 = 13,254,687.66 : x
  2. Step 2: Convert to fraction form
    18,546,668.76/25,570,883.46 = 13,254,687.66/x
  3. Step 3: Cross multiply
    18,546,668.76x = 25,570,883.46 × 13,254,687.66
  4. Step 4: Simplify right side
    18,546,668.76x = 338,934,073,452,560.12
  5. Step 5: Solve for x
    x = 338,934,073,452,560.12/18,546,668.76
  6. Step 6: Final answer
    x = 18,274,660.42

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Double scale
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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.