Home / 28,846,928.07-39,808,766.43-15,794,190.36

Finding the Fourth Proportional to 28,846,928.07, 39,808,766.43 and 15,794,190.36

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Solution

The fourth proportional to 28,846,928.07, 39,808,766.43 and 15,794,190.36 is: 21,795,985.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,846,928.07 : 39,808,766.43 = 15,794,190.36 : x
  2. Step 2: Convert to fraction form
    28,846,928.07/39,808,766.43 = 15,794,190.36/x
  3. Step 3: Cross multiply
    28,846,928.07x = 39,808,766.43 × 15,794,190.36
  4. Step 4: Simplify right side
    28,846,928.07x = 628,747,234,992,197.62
  5. Step 5: Solve for x
    x = 628,747,234,992,197.62/28,846,928.07
  6. Step 6: Final answer
    x = 21,795,985.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.