Finding the Fourth Proportional to 11,729,658.43, 16,186,772.34 and 6,573,120.67
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Solution
The fourth proportional to 11,729,658.43, 16,186,772.34 and 6,573,120.67 is: 9,070,818.94
Step by Step Solution
- Step 1: Write the proportion equation
11,729,658.43 : 16,186,772.34 = 6,573,120.67 : x - Step 2: Convert to fraction form
11,729,658.43/16,186,772.34 = 6,573,120.67/x - Step 3: Cross multiply
11,729,658.43x = 16,186,772.34 × 6,573,120.67 - Step 4: Simplify right side
11,729,658.43x = 106,397,607,868,871.73 - Step 5: Solve for x
x = 106,397,607,868,871.73/11,729,658.43 - Step 6: Final answer
x = 9,070,818.94
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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.