Finding the Fourth Proportional to 43,478,129.44, 65,227,872.24 and 21,628,818.46
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Solution
The fourth proportional to 43,478,129.44, 65,227,872.24 and 21,628,818.46 is: 32,448,539.65
Step by Step Solution
- Step 1: Write the proportion equation
43,478,129.44 : 65,227,872.24 = 21,628,818.46 : x - Step 2: Convert to fraction form
43,478,129.44/65,227,872.24 = 21,628,818.46/x - Step 3: Cross multiply
43,478,129.44x = 65,227,872.24 × 21,628,818.46 - Step 4: Simplify right side
43,478,129.44x = 1,410,801,807,211,033.75 - Step 5: Solve for x
x = 1,410,801,807,211,033.75/43,478,129.44 - Step 6: Final answer
x = 32,448,539.65
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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.