Home / 20,197,810.80-30,307,213.80-8,839,407.60

Finding the Fourth Proportional to 20,197,810.80, 30,307,213.80 and 8,839,407.60

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Solution

The fourth proportional to 20,197,810.80, 30,307,213.80 and 8,839,407.60 is: 13,263,705.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,197,810.80 : 30,307,213.80 = 8,839,407.60 : x
  2. Step 2: Convert to fraction form
    20,197,810.80/30,307,213.80 = 8,839,407.60/x
  3. Step 3: Cross multiply
    20,197,810.80x = 30,307,213.80 × 8,839,407.60
  4. Step 4: Simplify right side
    20,197,810.80x = 267,897,815,998,544.88
  5. Step 5: Solve for x
    x = 267,897,815,998,544.88/20,197,810.80
  6. Step 6: Final answer
    x = 13,263,705.59

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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.