Home / 28,846,111.56-39,806,057.21-15,790,845.13

Finding the Fourth Proportional to 28,846,111.56, 39,806,057.21 and 15,790,845.13

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Solution

The fourth proportional to 28,846,111.56, 39,806,057.21 and 15,790,845.13 is: 21,790,503.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,846,111.56 : 39,806,057.21 = 15,790,845.13 : x
  2. Step 2: Convert to fraction form
    28,846,111.56/39,806,057.21 = 15,790,845.13/x
  3. Step 3: Cross multiply
    28,846,111.56x = 39,806,057.21 × 15,790,845.13
  4. Step 4: Simplify right side
    28,846,111.56x = 628,571,284,439,999.62
  5. Step 5: Solve for x
    x = 628,571,284,439,999.62/28,846,111.56
  6. Step 6: Final answer
    x = 21,790,503.14

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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.