Finding the Fourth Proportional to 47,994,579.48, 71,957,481.38 and 20,330,361.12
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Solution
The fourth proportional to 47,994,579.48, 71,957,481.38 and 20,330,361.12 is: 30,480,975.09
Step by Step Solution
- Step 1: Write the proportion equation
47,994,579.48 : 71,957,481.38 = 20,330,361.12 : x - Step 2: Convert to fraction form
47,994,579.48/71,957,481.38 = 20,330,361.12/x - Step 3: Cross multiply
47,994,579.48x = 71,957,481.38 × 20,330,361.12 - Step 4: Simplify right side
47,994,579.48x = 1,462,921,581,741,076 - Step 5: Solve for x
x = 1,462,921,581,741,076/47,994,579.48 - Step 6: Final answer
x = 30,480,975.09
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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.