Finding the Fourth Proportional to 11,994,513.48, 17,962,940.70 and 6,861,381.48
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Solution
The fourth proportional to 11,994,513.48, 17,962,940.70 and 6,861,381.48 is: 10,275,580.49
Step by Step Solution
- Step 1: Write the proportion equation
11,994,513.48 : 17,962,940.70 = 6,861,381.48 : x - Step 2: Convert to fraction form
11,994,513.48/17,962,940.70 = 6,861,381.48/x - Step 3: Cross multiply
11,994,513.48x = 17,962,940.70 × 6,861,381.48 - Step 4: Simplify right side
11,994,513.48x = 123,250,588,645,318.23 - Step 5: Solve for x
x = 123,250,588,645,318.23/11,994,513.48 - Step 6: Final answer
x = 10,275,580.49
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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.