Finding the Fourth Proportional to 31,419,902.96, 47,129,380.16 and 14,135,898.44
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Solution
The fourth proportional to 31,419,902.96, 47,129,380.16 and 14,135,898.44 is: 21,203,634.28
Step by Step Solution
- Step 1: Write the proportion equation
31,419,902.96 : 47,129,380.16 = 14,135,898.44 : x - Step 2: Convert to fraction form
31,419,902.96/47,129,380.16 = 14,135,898.44/x - Step 3: Cross multiply
31,419,902.96x = 47,129,380.16 × 14,135,898.44 - Step 4: Simplify right side
31,419,902.96x = 666,216,131,481,910.88 - Step 5: Solve for x
x = 666,216,131,481,910.88/31,419,902.96 - Step 6: Final answer
x = 21,203,634.28
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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.