Finding the Fourth Proportional to 18,361,049.54, 27,540,577.62 and 5,580,557.79
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Solution
The fourth proportional to 18,361,049.54, 27,540,577.62 and 5,580,557.79 is: 8,370,533.75
Step by Step Solution
- Step 1: Write the proportion equation
18,361,049.54 : 27,540,577.62 = 5,580,557.79 : x - Step 2: Convert to fraction form
18,361,049.54/27,540,577.62 = 5,580,557.79/x - Step 3: Cross multiply
18,361,049.54x = 27,540,577.62 × 5,580,557.79 - Step 4: Simplify right side
18,361,049.54x = 153,691,784,905,989.22 - Step 5: Solve for x
x = 153,691,784,905,989.22/18,361,049.54 - Step 6: Final answer
x = 8,370,533.75
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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.