Finding the Fourth Proportional to 7,463,640.60, 11,196,843.30 and 2,415,115.80
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Solution
The fourth proportional to 7,463,640.60, 11,196,843.30 and 2,415,115.80 is: 3,623,121.02
Step by Step Solution
- Step 1: Write the proportion equation
7,463,640.60 : 11,196,843.30 = 2,415,115.80 : x - Step 2: Convert to fraction form
7,463,640.60/11,196,843.30 = 2,415,115.80/x - Step 3: Cross multiply
7,463,640.60x = 11,196,843.30 × 2,415,115.80 - Step 4: Simplify right side
7,463,640.60x = 27,041,673,163,954.14 - Step 5: Solve for x
x = 27,041,673,163,954.14/7,463,640.60 - Step 6: Final answer
x = 3,623,121.02
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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.