Home / 14,193,105.60-21,289,658.40-13,098,244.80

Finding the Fourth Proportional to 14,193,105.60, 21,289,658.40 and 13,098,244.80

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Solution

The fourth proportional to 14,193,105.60, 21,289,658.40 and 13,098,244.80 is: 19,647,367.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,193,105.60 : 21,289,658.40 = 13,098,244.80 : x
  2. Step 2: Convert to fraction form
    14,193,105.60/21,289,658.40 = 13,098,244.80/x
  3. Step 3: Cross multiply
    14,193,105.60x = 21,289,658.40 × 13,098,244.80
  4. Step 4: Simplify right side
    14,193,105.60x = 278,857,157,431,576.31
  5. Step 5: Solve for x
    x = 278,857,157,431,576.31/14,193,105.60
  6. Step 6: Final answer
    x = 19,647,367.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.