Finding the Fourth Proportional to 31,419,897.96, 47,129,372.67 and 14,135,893.44
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Solution
The fourth proportional to 31,419,897.96, 47,129,372.67 and 14,135,893.44 is: 21,203,626.78
Step by Step Solution
- Step 1: Write the proportion equation
31,419,897.96 : 47,129,372.67 = 14,135,893.44 : x - Step 2: Convert to fraction form
31,419,897.96/47,129,372.67 = 14,135,893.44/x - Step 3: Cross multiply
31,419,897.96x = 47,129,372.67 × 14,135,893.44 - Step 4: Simplify right side
31,419,897.96x = 666,215,789,957,168.25 - Step 5: Solve for x
x = 666,215,789,957,168.25/31,419,897.96 - Step 6: Final answer
x = 21,203,626.78
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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.