Home / 36,508,468.72-50,379,690.85-19,985,396.88

Finding the Fourth Proportional to 36,508,468.72, 50,379,690.85 and 19,985,396.88

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Solution

The fourth proportional to 36,508,468.72, 50,379,690.85 and 19,985,396.88 is: 27,578,755.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,508,468.72 : 50,379,690.85 = 19,985,396.88 : x
  2. Step 2: Convert to fraction form
    36,508,468.72/50,379,690.85 = 19,985,396.88/x
  3. Step 3: Cross multiply
    36,508,468.72x = 50,379,690.85 × 19,985,396.88
  4. Step 4: Simplify right side
    36,508,468.72x = 1,006,858,116,328,954.50
  5. Step 5: Solve for x
    x = 1,006,858,116,328,954.50/36,508,468.72
  6. Step 6: Final answer
    x = 27,578,755.06

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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.