Home / 28,273,042.20-42,397,121.70-11,228,050.20

Finding the Fourth Proportional to 28,273,042.20, 42,397,121.70 and 11,228,050.20

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Solution

The fourth proportional to 28,273,042.20, 42,397,121.70 and 11,228,050.20 is: 16,837,134.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,273,042.20 : 42,397,121.70 = 11,228,050.20 : x
  2. Step 2: Convert to fraction form
    28,273,042.20/42,397,121.70 = 11,228,050.20/x
  3. Step 3: Cross multiply
    28,273,042.20x = 42,397,121.70 × 11,228,050.20
  4. Step 4: Simplify right side
    28,273,042.20x = 476,037,010,783,109.31
  5. Step 5: Solve for x
    x = 476,037,010,783,109.31/28,273,042.20
  6. Step 6: Final answer
    x = 16,837,134.38

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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.