Finding the Fourth Proportional to 39,206,782.87, 58,800,396.62 and 11,535,194.10
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Solution
The fourth proportional to 39,206,782.87, 58,800,396.62 and 11,535,194.10 is: 17,299,914.42
Step by Step Solution
- Step 1: Write the proportion equation
39,206,782.87 : 58,800,396.62 = 11,535,194.10 : x - Step 2: Convert to fraction form
39,206,782.87/58,800,396.62 = 11,535,194.10/x - Step 3: Cross multiply
39,206,782.87x = 58,800,396.62 × 11,535,194.10 - Step 4: Simplify right side
39,206,782.87x = 678,273,988,195,504.75 - Step 5: Solve for x
x = 678,273,988,195,504.75/39,206,782.87 - Step 6: Final answer
x = 17,299,914.42
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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.