Home / 43,638,111.36-65,446,669.44-13,346,236.80

Finding the Fourth Proportional to 43,638,111.36, 65,446,669.44 and 13,346,236.80

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Solution

The fourth proportional to 43,638,111.36, 65,446,669.44 and 13,346,236.80 is: 20,016,144.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,638,111.36 : 65,446,669.44 = 13,346,236.80 : x
  2. Step 2: Convert to fraction form
    43,638,111.36/65,446,669.44 = 13,346,236.80/x
  3. Step 3: Cross multiply
    43,638,111.36x = 65,446,669.44 × 13,346,236.80
  4. Step 4: Simplify right side
    43,638,111.36x = 873,466,748,117,563.38
  5. Step 5: Solve for x
    x = 873,466,748,117,563.38/43,638,111.36
  6. Step 6: Final answer
    x = 20,016,144.62

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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.