Home / 19,079,493.87-26,327,310.17-12,897,990.21

Finding the Fourth Proportional to 19,079,493.87, 26,327,310.17 and 12,897,990.21

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Solution

The fourth proportional to 19,079,493.87, 26,327,310.17 and 12,897,990.21 is: 17,797,609.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,079,493.87 : 26,327,310.17 = 12,897,990.21 : x
  2. Step 2: Convert to fraction form
    19,079,493.87/26,327,310.17 = 12,897,990.21/x
  3. Step 3: Cross multiply
    19,079,493.87x = 26,327,310.17 × 12,897,990.21
  4. Step 4: Simplify right side
    19,079,493.87x = 339,569,388,746,352.62
  5. Step 5: Solve for x
    x = 339,569,388,746,352.62/19,079,493.87
  6. Step 6: Final answer
    x = 17,797,609.89

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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.