Finding the Fourth Proportional to 21,102,490.24, 31,637,198.62 and 8,332,553.48
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Solution
The fourth proportional to 21,102,490.24, 31,637,198.62 and 8,332,553.48 is: 12,492,300.50
Step by Step Solution
- Step 1: Write the proportion equation
21,102,490.24 : 31,637,198.62 = 8,332,553.48 : x - Step 2: Convert to fraction form
21,102,490.24/31,637,198.62 = 8,332,553.48/x - Step 3: Cross multiply
21,102,490.24x = 31,637,198.62 × 8,332,553.48 - Step 4: Simplify right side
21,102,490.24x = 263,618,649,458,532.22 - Step 5: Solve for x
x = 263,618,649,458,532.22/21,102,490.24 - Step 6: Final answer
x = 12,492,300.50
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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.