Home / 28,865,605.88-39,825,163.50-19,682,305.40

Finding the Fourth Proportional to 28,865,605.88, 39,825,163.50 and 19,682,305.40

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Solution

The fourth proportional to 28,865,605.88, 39,825,163.50 and 19,682,305.40 is: 27,155,190.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,865,605.88 : 39,825,163.50 = 19,682,305.40 : x
  2. Step 2: Convert to fraction form
    28,865,605.88/39,825,163.50 = 19,682,305.40/x
  3. Step 3: Cross multiply
    28,865,605.88x = 39,825,163.50 × 19,682,305.40
  4. Step 4: Simplify right side
    28,865,605.88x = 783,851,030,611,932.88
  5. Step 5: Solve for x
    x = 783,851,030,611,932.88/28,865,605.88
  6. Step 6: Final answer
    x = 27,155,190.64

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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.