Finding the Fourth Proportional to 19,682,436.24, 29,525,757.12 and 8,324,033.04
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Solution
The fourth proportional to 19,682,436.24, 29,525,757.12 and 8,324,033.04 is: 12,486,938.85
Step by Step Solution
- Step 1: Write the proportion equation
19,682,436.24 : 29,525,757.12 = 8,324,033.04 : x - Step 2: Convert to fraction form
19,682,436.24/29,525,757.12 = 8,324,033.04/x - Step 3: Cross multiply
19,682,436.24x = 29,525,757.12 × 8,324,033.04 - Step 4: Simplify right side
19,682,436.24x = 245,773,377,797,895.25 - Step 5: Solve for x
x = 245,773,377,797,895.25/19,682,436.24 - Step 6: Final answer
x = 12,486,938.85
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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.