Home / 13,145,912.70-19,685,691.45-10,491,704.70

Finding the Fourth Proportional to 13,145,912.70, 19,685,691.45 and 10,491,704.70

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Solution

The fourth proportional to 13,145,912.70, 19,685,691.45 and 10,491,704.70 is: 15,711,078.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,145,912.70 : 19,685,691.45 = 10,491,704.70 : x
  2. Step 2: Convert to fraction form
    13,145,912.70/19,685,691.45 = 10,491,704.70/x
  3. Step 3: Cross multiply
    13,145,912.70x = 19,685,691.45 × 10,491,704.70
  4. Step 4: Simplify right side
    13,145,912.70x = 206,536,461,508,714.78
  5. Step 5: Solve for x
    x = 206,536,461,508,714.78/13,145,912.70
  6. Step 6: Final answer
    x = 15,711,078.13

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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.