Finding the Fourth Proportional to 12,324,049.93, 18,487,757.06 and 5,133,901.98
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Solution
The fourth proportional to 12,324,049.93, 18,487,757.06 and 5,133,901.98 is: 7,701,553.71
Step by Step Solution
- Step 1: Write the proportion equation
12,324,049.93 : 18,487,757.06 = 5,133,901.98 : x - Step 2: Convert to fraction form
12,324,049.93/18,487,757.06 = 5,133,901.98/x - Step 3: Cross multiply
12,324,049.93x = 18,487,757.06 × 5,133,901.98 - Step 4: Simplify right side
12,324,049.93x = 94,914,332,504,204.08 - Step 5: Solve for x
x = 94,914,332,504,204.08/12,324,049.93 - Step 6: Final answer
x = 7,701,553.71
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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.