Finding the Fourth Proportional to 19,682,437.24, 29,525,758.62 and 8,324,034.04
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Solution
The fourth proportional to 19,682,437.24, 29,525,758.62 and 8,324,034.04 is: 12,486,940.35
Step by Step Solution
- Step 1: Write the proportion equation
19,682,437.24 : 29,525,758.62 = 8,324,034.04 : x - Step 2: Convert to fraction form
19,682,437.24/29,525,758.62 = 8,324,034.04/x - Step 3: Cross multiply
19,682,437.24x = 29,525,758.62 × 8,324,034.04 - Step 4: Simplify right side
19,682,437.24x = 245,773,419,809,703.44 - Step 5: Solve for x
x = 245,773,419,809,703.44/19,682,437.24 - Step 6: Final answer
x = 12,486,940.35
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1.5x scale
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.