Finding the Fourth Proportional to 10,724,974.20, 14,800,770.72 and 6,538,900.68
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Solution
The fourth proportional to 10,724,974.20, 14,800,770.72 and 6,538,900.68 is: 9,023,869.70
Step by Step Solution
- Step 1: Write the proportion equation
10,724,974.20 : 14,800,770.72 = 6,538,900.68 : x - Step 2: Convert to fraction form
10,724,974.20/14,800,770.72 = 6,538,900.68/x - Step 3: Cross multiply
10,724,974.20x = 14,800,770.72 × 6,538,900.68 - Step 4: Simplify right side
10,724,974.20x = 96,780,769,725,532.09 - Step 5: Solve for x
x = 96,780,769,725,532.09/10,724,974.20 - Step 6: Final answer
x = 9,023,869.70
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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.