Finding the Fourth Proportional to 19,682,601.80, 29,536,344.30 and 11,595,561.80
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Solution
The fourth proportional to 19,682,601.80, 29,536,344.30 and 11,595,561.80 is: 17,400,672.39
Step by Step Solution
- Step 1: Write the proportion equation
19,682,601.80 : 29,536,344.30 = 11,595,561.80 : x - Step 2: Convert to fraction form
19,682,601.80/29,536,344.30 = 11,595,561.80/x - Step 3: Cross multiply
19,682,601.80x = 29,536,344.30 × 11,595,561.80 - Step 4: Simplify right side
19,682,601.80x = 342,490,505,676,727.75 - Step 5: Solve for x
x = 342,490,505,676,727.75/19,682,601.80 - Step 6: Final answer
x = 17,400,672.39
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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.