Home / 28,213,467.38-42,320,726.15-8,019,234.26

Finding the Fourth Proportional to 28,213,467.38, 42,320,726.15 and 8,019,234.26

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Solution

The fourth proportional to 28,213,467.38, 42,320,726.15 and 8,019,234.26 is: 12,029,000.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,213,467.38 : 42,320,726.15 = 8,019,234.26 : x
  2. Step 2: Convert to fraction form
    28,213,467.38/42,320,726.15 = 8,019,234.26/x
  3. Step 3: Cross multiply
    28,213,467.38x = 42,320,726.15 × 8,019,234.26
  4. Step 4: Simplify right side
    28,213,467.38x = 339,379,816,798,458.12
  5. Step 5: Solve for x
    x = 339,379,816,798,458.12/28,213,467.38
  6. Step 6: Final answer
    x = 12,029,000.63

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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.