Home / 13,138,919.10-19,704,879.45-4,040,999.10

Finding the Fourth Proportional to 13,138,919.10, 19,704,879.45 and 4,040,999.10

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Solution

The fourth proportional to 13,138,919.10, 19,704,879.45 and 4,040,999.10 is: 6,060,422.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,138,919.10 : 19,704,879.45 = 4,040,999.10 : x
  2. Step 2: Convert to fraction form
    13,138,919.10/19,704,879.45 = 4,040,999.10/x
  3. Step 3: Cross multiply
    13,138,919.10x = 19,704,879.45 × 4,040,999.10
  4. Step 4: Simplify right side
    13,138,919.10x = 79,627,400,123,058.50
  5. Step 5: Solve for x
    x = 79,627,400,123,058.50/13,138,919.10
  6. Step 6: Final answer
    x = 6,060,422.44

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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.