Home / 20,005,879.03-27,608,244.83-10,838,521.78

Finding the Fourth Proportional to 20,005,879.03, 27,608,244.83 and 10,838,521.78

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Solution

The fourth proportional to 20,005,879.03, 27,608,244.83 and 10,838,521.78 is: 14,957,231.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,005,879.03 : 27,608,244.83 = 10,838,521.78 : x
  2. Step 2: Convert to fraction form
    20,005,879.03/27,608,244.83 = 10,838,521.78/x
  3. Step 3: Cross multiply
    20,005,879.03x = 27,608,244.83 × 10,838,521.78
  4. Step 4: Simplify right side
    20,005,879.03x = 299,232,562,814,958.62
  5. Step 5: Solve for x
    x = 299,232,562,814,958.62/20,005,879.03
  6. Step 6: Final answer
    x = 14,957,231.44

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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.