Finding the Fourth Proportional to 11,933,236.63, 17,908,769.40 and 8,085,936.70
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Solution
The fourth proportional to 11,933,236.63, 17,908,769.40 and 8,085,936.70 is: 12,134,945.47
Step by Step Solution
- Step 1: Write the proportion equation
11,933,236.63 : 17,908,769.40 = 8,085,936.70 : x - Step 2: Convert to fraction form
11,933,236.63/17,908,769.40 = 8,085,936.70/x - Step 3: Cross multiply
11,933,236.63x = 17,908,769.40 × 8,085,936.70 - Step 4: Simplify right side
11,933,236.63x = 144,809,175,743,296.97 - Step 5: Solve for x
x = 144,809,175,743,296.97/11,933,236.63 - Step 6: Final answer
x = 12,134,945.47
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.