Home / 13,253,290.70-19,877,721.24-3,669,638

Finding the Fourth Proportional to 13,253,290.70, 19,877,721.24 and 3,669,638

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Solution

The fourth proportional to 13,253,290.70, 19,877,721.24 and 3,669,638 is: 5,503,843.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,253,290.70 : 19,877,721.24 = 3,669,638 : x
  2. Step 2: Convert to fraction form
    13,253,290.70/19,877,721.24 = 3,669,638/x
  3. Step 3: Cross multiply
    13,253,290.70x = 19,877,721.24 × 3,669,638
  4. Step 4: Simplify right side
    13,253,290.70x = 72,944,041,215,711.11
  5. Step 5: Solve for x
    x = 72,944,041,215,711.11/13,253,290.70
  6. Step 6: Final answer
    x = 5,503,843.75

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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.