Finding the Fourth Proportional to 10,192,869.39, 14,065,977.84 and 5,546,495.96
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Solution
The fourth proportional to 10,192,869.39, 14,065,977.84 and 5,546,495.96 is: 7,654,065.43
Step by Step Solution
- Step 1: Write the proportion equation
10,192,869.39 : 14,065,977.84 = 5,546,495.96 : x - Step 2: Convert to fraction form
10,192,869.39/14,065,977.84 = 5,546,495.96/x - Step 3: Cross multiply
10,192,869.39x = 14,065,977.84 × 5,546,495.96 - Step 4: Simplify right side
10,192,869.39x = 78,016,889,263,009.53 - Step 5: Solve for x
x = 78,016,889,263,009.53/10,192,869.39 - Step 6: Final answer
x = 7,654,065.43
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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.