Home / 12,483,763.21-18,725,644.82-3,508,315.21

Finding the Fourth Proportional to 12,483,763.21, 18,725,644.82 and 3,508,315.21

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Solution

The fourth proportional to 12,483,763.21, 18,725,644.82 and 3,508,315.21 is: 5,262,472.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,483,763.21 : 18,725,644.82 = 3,508,315.21 : x
  2. Step 2: Convert to fraction form
    12,483,763.21/18,725,644.82 = 3,508,315.21/x
  3. Step 3: Cross multiply
    12,483,763.21x = 18,725,644.82 × 3,508,315.21
  4. Step 4: Simplify right side
    12,483,763.21x = 65,695,464,521,522.14
  5. Step 5: Solve for x
    x = 65,695,464,521,522.14/12,483,763.21
  6. Step 6: Final answer
    x = 5,262,472.82

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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.