Finding the Fourth Proportional to 35,153,960.25, 48,504,619.22 and 21,217,575.99
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Solution
The fourth proportional to 35,153,960.25, 48,504,619.22 and 21,217,575.99 is: 29,275,519.37
Step by Step Solution
- Step 1: Write the proportion equation
35,153,960.25 : 48,504,619.22 = 21,217,575.99 : x - Step 2: Convert to fraction form
35,153,960.25/48,504,619.22 = 21,217,575.99/x - Step 3: Cross multiply
35,153,960.25x = 48,504,619.22 × 21,217,575.99 - Step 4: Simplify right side
35,153,960.25x = 1,029,150,444,060,276.62 - Step 5: Solve for x
x = 1,029,150,444,060,276.62/35,153,960.25 - Step 6: Final answer
x = 29,275,519.37
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.