Home / 20,156,563.20-30,234,805.92-5,010,509.28

Finding the Fourth Proportional to 20,156,563.20, 30,234,805.92 and 5,010,509.28

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Solution

The fourth proportional to 20,156,563.20, 30,234,805.92 and 5,010,509.28 is: 7,515,754.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,156,563.20 : 30,234,805.92 = 5,010,509.28 : x
  2. Step 2: Convert to fraction form
    20,156,563.20/30,234,805.92 = 5,010,509.28/x
  3. Step 3: Cross multiply
    20,156,563.20x = 30,234,805.92 × 5,010,509.28
  4. Step 4: Simplify right side
    20,156,563.20x = 151,491,775,641,158.97
  5. Step 5: Solve for x
    x = 151,491,775,641,158.97/20,156,563.20
  6. Step 6: Final answer
    x = 7,515,754.26

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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.