Finding the Fourth Proportional to 33,265,636.26, 45,889,382.97 and 21,049,579.14
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Solution
The fourth proportional to 33,265,636.26, 45,889,382.97 and 21,049,579.14 is: 29,037,538.65
Step by Step Solution
- Step 1: Write the proportion equation
33,265,636.26 : 45,889,382.97 = 21,049,579.14 : x - Step 2: Convert to fraction form
33,265,636.26/45,889,382.97 = 21,049,579.14/x - Step 3: Cross multiply
33,265,636.26x = 45,889,382.97 × 21,049,579.14 - Step 4: Simplify right side
33,265,636.26x = 965,952,198,512,783.25 - Step 5: Solve for x
x = 965,952,198,512,783.25/33,265,636.26 - Step 6: Final answer
x = 29,037,538.65
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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.