Finding the Fourth Proportional to 7,631,129.52, 10,531,042.56 and 4,193,371.44
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Solution
The fourth proportional to 7,631,129.52, 10,531,042.56 and 4,193,371.44 is: 5,786,898.65
Step by Step Solution
- Step 1: Write the proportion equation
7,631,129.52 : 10,531,042.56 = 4,193,371.44 : x - Step 2: Convert to fraction form
7,631,129.52/10,531,042.56 = 4,193,371.44/x - Step 3: Cross multiply
7,631,129.52x = 10,531,042.56 × 4,193,371.44 - Step 4: Simplify right side
7,631,129.52x = 44,160,573,104,528.48 - Step 5: Solve for x
x = 44,160,573,104,528.48/7,631,129.52 - Step 6: Final answer
x = 5,786,898.65
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.