Finding the Fourth Proportional to 11,729,661.12, 16,186,776.05 and 6,573,123.36
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Solution
The fourth proportional to 11,729,661.12, 16,186,776.05 and 6,573,123.36 is: 9,070,822.65
Step by Step Solution
- Step 1: Write the proportion equation
11,729,661.12 : 16,186,776.05 = 6,573,123.36 : x - Step 2: Convert to fraction form
11,729,661.12/16,186,776.05 = 6,573,123.36/x - Step 3: Cross multiply
11,729,661.12x = 16,186,776.05 × 6,573,123.36 - Step 4: Simplify right side
11,729,661.12x = 106,397,675,777,343.53 - Step 5: Solve for x
x = 106,397,675,777,343.53/11,729,661.12 - Step 6: Final answer
x = 9,070,822.65
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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.