Home / 28,846,188.72-39,806,163.36-15,790,922.04

Finding the Fourth Proportional to 28,846,188.72, 39,806,163.36 and 15,790,922.04

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Solution

The fourth proportional to 28,846,188.72, 39,806,163.36 and 15,790,922.04 is: 21,790,609.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,846,188.72 : 39,806,163.36 = 15,790,922.04 : x
  2. Step 2: Convert to fraction form
    28,846,188.72/39,806,163.36 = 15,790,922.04/x
  3. Step 3: Cross multiply
    28,846,188.72x = 39,806,163.36 × 15,790,922.04
  4. Step 4: Simplify right side
    28,846,188.72x = 628,576,022,329,264.38
  5. Step 5: Solve for x
    x = 628,576,022,329,264.38/28,846,188.72
  6. Step 6: Final answer
    x = 21,790,609.10

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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.