Finding the Fourth Proportional to 21,102,489.24, 31,637,197.12 and 8,332,552.48
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Solution
The fourth proportional to 21,102,489.24, 31,637,197.12 and 8,332,552.48 is: 12,492,299.00
Step by Step Solution
- Step 1: Write the proportion equation
21,102,489.24 : 31,637,197.12 = 8,332,552.48 : x - Step 2: Convert to fraction form
21,102,489.24/31,637,197.12 = 8,332,552.48/x - Step 3: Cross multiply
21,102,489.24x = 31,637,197.12 × 8,332,552.48 - Step 4: Simplify right side
21,102,489.24x = 263,618,605,322,504.88 - Step 5: Solve for x
x = 263,618,605,322,504.88/21,102,489.24 - Step 6: Final answer
x = 12,492,299.00
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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.