Home / 19,683,493.70-29,525,240.55-16,990,859.30

Finding the Fourth Proportional to 19,683,493.70, 29,525,240.55 and 16,990,859.30

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Solution

The fourth proportional to 19,683,493.70, 29,525,240.55 and 16,990,859.30 is: 25,486,288.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,683,493.70 : 29,525,240.55 = 16,990,859.30 : x
  2. Step 2: Convert to fraction form
    19,683,493.70/29,525,240.55 = 16,990,859.30/x
  3. Step 3: Cross multiply
    19,683,493.70x = 29,525,240.55 × 16,990,859.30
  4. Step 4: Simplify right side
    19,683,493.70x = 501,659,207,983,704.62
  5. Step 5: Solve for x
    x = 501,659,207,983,704.62/19,683,493.70
  6. Step 6: Final answer
    x = 25,486,288.95

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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.