Finding the Fourth Proportional to 7,982,512.52, 11,978,493.42 and 2,937,365.96
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Solution
The fourth proportional to 7,982,512.52, 11,978,493.42 and 2,937,365.96 is: 4,407,787.49
Step by Step Solution
- Step 1: Write the proportion equation
7,982,512.52 : 11,978,493.42 = 2,937,365.96 : x - Step 2: Convert to fraction form
7,982,512.52/11,978,493.42 = 2,937,365.96/x - Step 3: Cross multiply
7,982,512.52x = 11,978,493.42 × 2,937,365.96 - Step 4: Simplify right side
7,982,512.52x = 35,185,218,823,991.98 - Step 5: Solve for x
x = 35,185,218,823,991.98/7,982,512.52 - Step 6: Final answer
x = 4,407,787.49
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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.