Home / 23,680,556.67-32,679,167.78-12,815,540.67

Finding the Fourth Proportional to 23,680,556.67, 32,679,167.78 and 12,815,540.67

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Solution

The fourth proportional to 23,680,556.67, 32,679,167.78 and 12,815,540.67 is: 17,685,445.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,680,556.67 : 32,679,167.78 = 12,815,540.67 : x
  2. Step 2: Convert to fraction form
    23,680,556.67/32,679,167.78 = 12,815,540.67/x
  3. Step 3: Cross multiply
    23,680,556.67x = 32,679,167.78 × 12,815,540.67
  4. Step 4: Simplify right side
    23,680,556.67x = 418,801,203,682,265.88
  5. Step 5: Solve for x
    x = 418,801,203,682,265.88/23,680,556.67
  6. Step 6: Final answer
    x = 17,685,445.89

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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.