Home / 28,188,791-42,283,265.32-8,760,857.86

Finding the Fourth Proportional to 28,188,791, 42,283,265.32 and 8,760,857.86

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Solution

The fourth proportional to 28,188,791, 42,283,265.32 and 8,760,857.86 is: 13,141,311.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,188,791 : 42,283,265.32 = 8,760,857.86 : x
  2. Step 2: Convert to fraction form
    28,188,791/42,283,265.32 = 8,760,857.86/x
  3. Step 3: Cross multiply
    28,188,791x = 42,283,265.32 × 8,760,857.86
  4. Step 4: Simplify right side
    28,188,791x = 370,437,677,325,187.38
  5. Step 5: Solve for x
    x = 370,437,677,325,187.38/28,188,791
  6. Step 6: Final answer
    x = 13,141,311.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.