Home / 18,584,588.79-25,647,452.15-12,716,523.54

Finding the Fourth Proportional to 18,584,588.79, 25,647,452.15 and 12,716,523.54

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Solution

The fourth proportional to 18,584,588.79, 25,647,452.15 and 12,716,523.54 is: 17,549,294.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,584,588.79 : 25,647,452.15 = 12,716,523.54 : x
  2. Step 2: Convert to fraction form
    18,584,588.79/25,647,452.15 = 12,716,523.54/x
  3. Step 3: Cross multiply
    18,584,588.79x = 25,647,452.15 × 12,716,523.54
  4. Step 4: Simplify right side
    18,584,588.79x = 326,146,428,942,915.94
  5. Step 5: Solve for x
    x = 326,146,428,942,915.94/18,584,588.79
  6. Step 6: Final answer
    x = 17,549,294.88

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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.