Home / 20,341,177.80-30,511,766.70-12,263,274.60

Finding the Fourth Proportional to 20,341,177.80, 30,511,766.70 and 12,263,274.60

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Solution

The fourth proportional to 20,341,177.80, 30,511,766.70 and 12,263,274.60 is: 18,394,911.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,341,177.80 : 30,511,766.70 = 12,263,274.60 : x
  2. Step 2: Convert to fraction form
    20,341,177.80/30,511,766.70 = 12,263,274.60/x
  3. Step 3: Cross multiply
    20,341,177.80x = 30,511,766.70 × 12,263,274.60
  4. Step 4: Simplify right side
    20,341,177.80x = 374,174,173,573,235.81
  5. Step 5: Solve for x
    x = 374,174,173,573,235.81/20,341,177.80
  6. Step 6: Final answer
    x = 18,394,911.90

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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.