Finding the Fourth Proportional to 29,531,260.80, 44,296,891.20 and 17,388,259.20
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Solution
The fourth proportional to 29,531,260.80, 44,296,891.20 and 17,388,259.20 is: 26,082,388.80
Step by Step Solution
- Step 1: Write the proportion equation
29,531,260.80 : 44,296,891.20 = 17,388,259.20 : x - Step 2: Convert to fraction form
29,531,260.80/44,296,891.20 = 17,388,259.20/x - Step 3: Cross multiply
29,531,260.80x = 44,296,891.20 × 17,388,259.20 - Step 4: Simplify right side
29,531,260.80x = 770,245,825,939,799 - Step 5: Solve for x
x = 770,245,825,939,799/29,531,260.80 - Step 6: Final answer
x = 26,082,388.80
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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.