Finding the Fourth Proportional to 21,367,629.68, 32,051,164.56 and 5,193,533.96
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Solution
The fourth proportional to 21,367,629.68, 32,051,164.56 and 5,193,533.96 is: 7,790,232.89
Step by Step Solution
- Step 1: Write the proportion equation
21,367,629.68 : 32,051,164.56 = 5,193,533.96 : x - Step 2: Convert to fraction form
21,367,629.68/32,051,164.56 = 5,193,533.96/x - Step 3: Cross multiply
21,367,629.68x = 32,051,164.56 × 5,193,533.96 - Step 4: Simplify right side
21,367,629.68x = 166,458,811,599,908.44 - Step 5: Solve for x
x = 166,458,811,599,908.44/21,367,629.68 - Step 6: Final answer
x = 7,790,232.89
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.