Home / 28,846,131.67-39,806,084.96-15,790,865.24

Finding the Fourth Proportional to 28,846,131.67, 39,806,084.96 and 15,790,865.24

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Solution

The fourth proportional to 28,846,131.67, 39,806,084.96 and 15,790,865.24 is: 21,790,530.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,846,131.67 : 39,806,084.96 = 15,790,865.24 : x
  2. Step 2: Convert to fraction form
    28,846,131.67/39,806,084.96 = 15,790,865.24/x
  3. Step 3: Cross multiply
    28,846,131.67x = 39,806,084.96 × 15,790,865.24
  4. Step 4: Simplify right side
    28,846,131.67x = 628,572,523,335,350.88
  5. Step 5: Solve for x
    x = 628,572,523,335,350.88/28,846,131.67
  6. Step 6: Final answer
    x = 21,790,530.89

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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.