Home / 19,729,819.43-29,603,005.72-8,792,474.21

Finding the Fourth Proportional to 19,729,819.43, 29,603,005.72 and 8,792,474.21

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Solution

The fourth proportional to 19,729,819.43, 29,603,005.72 and 8,792,474.21 is: 13,192,399.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,729,819.43 : 29,603,005.72 = 8,792,474.21 : x
  2. Step 2: Convert to fraction form
    19,729,819.43/29,603,005.72 = 8,792,474.21/x
  3. Step 3: Cross multiply
    19,729,819.43x = 29,603,005.72 × 8,792,474.21
  4. Step 4: Simplify right side
    19,729,819.43x = 260,283,664,161,586.28
  5. Step 5: Solve for x
    x = 260,283,664,161,586.28/19,729,819.43
  6. Step 6: Final answer
    x = 13,192,399.72

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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.