Home / 20,824,379.54-28,717,454.85-16,239,027.86

Finding the Fourth Proportional to 20,824,379.54, 28,717,454.85 and 16,239,027.86

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Solution

The fourth proportional to 20,824,379.54, 28,717,454.85 and 16,239,027.86 is: 22,394,114.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,824,379.54 : 28,717,454.85 = 16,239,027.86 : x
  2. Step 2: Convert to fraction form
    20,824,379.54/28,717,454.85 = 16,239,027.86/x
  3. Step 3: Cross multiply
    20,824,379.54x = 28,717,454.85 × 16,239,027.86
  4. Step 4: Simplify right side
    20,824,379.54x = 466,343,549,377,442.12
  5. Step 5: Solve for x
    x = 466,343,549,377,442.12/20,824,379.54
  6. Step 6: Final answer
    x = 22,394,114.96

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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.