Finding the Fourth Proportional to 21,857,858, 32,788,361.64 and 8,394,686
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Solution
The fourth proportional to 21,857,858, 32,788,361.64 and 8,394,686 is: 12,592,633.75
Step by Step Solution
- Step 1: Write the proportion equation
21,857,858 : 32,788,361.64 = 8,394,686 : x - Step 2: Convert to fraction form
21,857,858/32,788,361.64 = 8,394,686/x - Step 3: Cross multiply
21,857,858x = 32,788,361.64 × 8,394,686 - Step 4: Simplify right side
21,857,858x = 275,248,000,422,245.03 - Step 5: Solve for x
x = 275,248,000,422,245.03/21,857,858 - Step 6: Final answer
x = 12,592,633.75
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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.