Home / 21,780,003.80-32,693,625.30-13,702,100.60

Finding the Fourth Proportional to 21,780,003.80, 32,693,625.30 and 13,702,100.60

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Solution

The fourth proportional to 21,780,003.80, 32,693,625.30 and 13,702,100.60 is: 20,568,010.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,780,003.80 : 32,693,625.30 = 13,702,100.60 : x
  2. Step 2: Convert to fraction form
    21,780,003.80/32,693,625.30 = 13,702,100.60/x
  3. Step 3: Cross multiply
    21,780,003.80x = 32,693,625.30 × 13,702,100.60
  4. Step 4: Simplify right side
    21,780,003.80x = 447,971,342,839,305.19
  5. Step 5: Solve for x
    x = 447,971,342,839,305.19/21,780,003.80
  6. Step 6: Final answer
    x = 20,568,010.32

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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.