Home / 43,638,115.86-65,446,676.19-13,346,241.30

Finding the Fourth Proportional to 43,638,115.86, 65,446,676.19 and 13,346,241.30

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Solution

The fourth proportional to 43,638,115.86, 65,446,676.19 and 13,346,241.30 is: 20,016,151.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,638,115.86 : 65,446,676.19 = 13,346,241.30 : x
  2. Step 2: Convert to fraction form
    43,638,115.86/65,446,676.19 = 13,346,241.30/x
  3. Step 3: Cross multiply
    43,638,115.86x = 65,446,676.19 × 13,346,241.30
  4. Step 4: Simplify right side
    43,638,115.86x = 873,467,132,714,704.62
  5. Step 5: Solve for x
    x = 873,467,132,714,704.62/43,638,115.86
  6. Step 6: Final answer
    x = 20,016,151.37

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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.