Finding the Fourth Proportional to 11,689,517.07, 16,132,031.73 and 6,532,878.42
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Solution
The fourth proportional to 11,689,517.07, 16,132,031.73 and 6,532,878.42 is: 9,015,650.63
Step by Step Solution
- Step 1: Write the proportion equation
11,689,517.07 : 16,132,031.73 = 6,532,878.42 : x - Step 2: Convert to fraction form
11,689,517.07/16,132,031.73 = 6,532,878.42/x - Step 3: Cross multiply
11,689,517.07x = 16,132,031.73 × 6,532,878.42 - Step 4: Simplify right side
11,689,517.07x = 105,388,601,959,672.27 - Step 5: Solve for x
x = 105,388,601,959,672.27/11,689,517.07 - Step 6: Final answer
x = 9,015,650.63
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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.