Finding the Fourth Proportional to 21,315,424.08, 29,413,508.22 and 12,022,482
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Solution
The fourth proportional to 21,315,424.08, 29,413,508.22 and 12,022,482 is: 16,590,022.88
Step by Step Solution
- Step 1: Write the proportion equation
21,315,424.08 : 29,413,508.22 = 12,022,482 : x - Step 2: Convert to fraction form
21,315,424.08/29,413,508.22 = 12,022,482/x - Step 3: Cross multiply
21,315,424.08x = 29,413,508.22 × 12,022,482 - Step 4: Simplify right side
21,315,424.08x = 353,623,373,131,802 - Step 5: Solve for x
x = 353,623,373,131,802/21,315,424.08 - Step 6: Final answer
x = 16,590,022.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.