Home / 20,188,441.80-30,240,672.30-16,829,209.80

Finding the Fourth Proportional to 20,188,441.80, 30,240,672.30 and 16,829,209.80

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Solution

The fourth proportional to 20,188,441.80, 30,240,672.30 and 16,829,209.80 is: 25,208,811.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,188,441.80 : 30,240,672.30 = 16,829,209.80 : x
  2. Step 2: Convert to fraction form
    20,188,441.80/30,240,672.30 = 16,829,209.80/x
  3. Step 3: Cross multiply
    20,188,441.80x = 30,240,672.30 × 16,829,209.80
  4. Step 4: Simplify right side
    20,188,441.80x = 508,926,618,629,748.56
  5. Step 5: Solve for x
    x = 508,926,618,629,748.56/20,188,441.80
  6. Step 6: Final answer
    x = 25,208,811.24

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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.