Finding the Fourth Proportional to 20,764,419.44, 28,652,067.80 and 11,595,893.36
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Solution
The fourth proportional to 20,764,419.44, 28,652,067.80 and 11,595,893.36 is: 16,000,751.85
Step by Step Solution
- Step 1: Write the proportion equation
20,764,419.44 : 28,652,067.80 = 11,595,893.36 : x - Step 2: Convert to fraction form
20,764,419.44/28,652,067.80 = 11,595,893.36/x - Step 3: Cross multiply
20,764,419.44x = 28,652,067.80 × 11,595,893.36 - Step 4: Simplify right side
20,764,419.44x = 332,246,322,752,289.81 - Step 5: Solve for x
x = 332,246,322,752,289.81/20,764,419.44 - Step 6: Final answer
x = 16,000,751.85
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.