Home / 36,459,165.15-50,319,834.93-20,998,201.86

Finding the Fourth Proportional to 36,459,165.15, 50,319,834.93 and 20,998,201.86

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Solution

The fourth proportional to 36,459,165.15, 50,319,834.93 and 20,998,201.86 is: 28,981,081.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,459,165.15 : 50,319,834.93 = 20,998,201.86 : x
  2. Step 2: Convert to fraction form
    36,459,165.15/50,319,834.93 = 20,998,201.86/x
  3. Step 3: Cross multiply
    36,459,165.15x = 50,319,834.93 × 20,998,201.86
  4. Step 4: Simplify right side
    36,459,165.15x = 1,056,626,051,422,018.88
  5. Step 5: Solve for x
    x = 1,056,626,051,422,018.88/36,459,165.15
  6. Step 6: Final answer
    x = 28,981,081.91

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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.