Finding the Fourth Proportional to 22,382,262.20, 33,581,687.70 and 7,236,687.80
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Solution
The fourth proportional to 22,382,262.20, 33,581,687.70 and 7,236,687.80 is: 10,857,713.47
Step by Step Solution
- Step 1: Write the proportion equation
22,382,262.20 : 33,581,687.70 = 7,236,687.80 : x - Step 2: Convert to fraction form
22,382,262.20/33,581,687.70 = 7,236,687.80/x - Step 3: Cross multiply
22,382,262.20x = 33,581,687.70 × 7,236,687.80 - Step 4: Simplify right side
22,382,262.20x = 243,020,189,682,000.06 - Step 5: Solve for x
x = 243,020,189,682,000.06/22,382,262.20 - Step 6: Final answer
x = 10,857,713.47
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.