Home / 36,107,714.85-49,828,646.50-20,638,131.65

Finding the Fourth Proportional to 36,107,714.85, 49,828,646.50 and 20,638,131.65

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Solution

The fourth proportional to 36,107,714.85, 49,828,646.50 and 20,638,131.65 is: 28,480,621.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,107,714.85 : 49,828,646.50 = 20,638,131.65 : x
  2. Step 2: Convert to fraction form
    36,107,714.85/49,828,646.50 = 20,638,131.65/x
  3. Step 3: Cross multiply
    36,107,714.85x = 49,828,646.50 × 20,638,131.65
  4. Step 4: Simplify right side
    36,107,714.85x = 1,028,370,166,408,311.62
  5. Step 5: Solve for x
    x = 1,028,370,166,408,311.62/36,107,714.85
  6. Step 6: Final answer
    x = 28,480,621.68

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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.