Home / 19,408,240.20-29,061,038.70-15,552,121.80

Finding the Fourth Proportional to 19,408,240.20, 29,061,038.70 and 15,552,121.80

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Solution

The fourth proportional to 19,408,240.20, 29,061,038.70 and 15,552,121.80 is: 23,287,057.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,408,240.20 : 29,061,038.70 = 15,552,121.80 : x
  2. Step 2: Convert to fraction form
    19,408,240.20/29,061,038.70 = 15,552,121.80/x
  3. Step 3: Cross multiply
    19,408,240.20x = 29,061,038.70 × 15,552,121.80
  4. Step 4: Simplify right side
    19,408,240.20x = 451,960,813,496,913.69
  5. Step 5: Solve for x
    x = 451,960,813,496,913.69/19,408,240.20
  6. Step 6: Final answer
    x = 23,287,057.91

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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.