Finding the Fourth Proportional to 39,366,982.80, 58,861,517.40 and 29,163,315.60
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Solution
The fourth proportional to 39,366,982.80, 58,861,517.40 and 29,163,315.60 is: 43,604,992.98
Step by Step Solution
- Step 1: Write the proportion equation
39,366,982.80 : 58,861,517.40 = 29,163,315.60 : x - Step 2: Convert to fraction form
39,366,982.80/58,861,517.40 = 29,163,315.60/x - Step 3: Cross multiply
39,366,982.80x = 58,861,517.40 × 29,163,315.60 - Step 4: Simplify right side
39,366,982.80x = 1,716,597,008,631,091.50 - Step 5: Solve for x
x = 1,716,597,008,631,091.50/39,366,982.80 - Step 6: Final answer
x = 43,604,992.98
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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.