Finding the Fourth Proportional to 10,157,342.80, 15,236,512.42 and 4,091,255.44
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Solution
The fourth proportional to 10,157,342.80, 15,236,512.42 and 4,091,255.44 is: 6,137,083.84
Step by Step Solution
- Step 1: Write the proportion equation
10,157,342.80 : 15,236,512.42 = 4,091,255.44 : x - Step 2: Convert to fraction form
10,157,342.80/15,236,512.42 = 4,091,255.44/x - Step 3: Cross multiply
10,157,342.80x = 15,236,512.42 × 4,091,255.44 - Step 4: Simplify right side
10,157,342.80x = 62,336,464,324,952.56 - Step 5: Solve for x
x = 62,336,464,324,952.56/10,157,342.80 - Step 6: Final answer
x = 6,137,083.84
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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.