Finding the Fourth Proportional to 29,987,129.10, 44,980,694.12 and 7,268,026.36
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Solution
The fourth proportional to 29,987,129.10, 44,980,694.12 and 7,268,026.36 is: 10,902,039.65
Step by Step Solution
- Step 1: Write the proportion equation
29,987,129.10 : 44,980,694.12 = 7,268,026.36 : x - Step 2: Convert to fraction form
29,987,129.10/44,980,694.12 = 7,268,026.36/x - Step 3: Cross multiply
29,987,129.10x = 44,980,694.12 × 7,268,026.36 - Step 4: Simplify right side
29,987,129.10x = 326,920,870,555,257 - Step 5: Solve for x
x = 326,920,870,555,257/29,987,129.10 - Step 6: Final answer
x = 10,902,039.65
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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.