Finding the Fourth Proportional to 21,093,747.97, 31,577,582.24 and 12,759,329.03
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Solution
The fourth proportional to 21,093,747.97, 31,577,582.24 and 12,759,329.03 is: 19,100,861.66
Step by Step Solution
- Step 1: Write the proportion equation
21,093,747.97 : 31,577,582.24 = 12,759,329.03 : x - Step 2: Convert to fraction form
21,093,747.97/31,577,582.24 = 12,759,329.03/x - Step 3: Cross multiply
21,093,747.97x = 31,577,582.24 × 12,759,329.03 - Step 4: Simplify right side
21,093,747.97x = 402,908,761,847,589.75 - Step 5: Solve for x
x = 402,908,761,847,589.75/21,093,747.97 - Step 6: Final answer
x = 19,100,861.66
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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.