Finding the Fourth Proportional to 27,286,165.98, 37,651,335.51 and 16,274,208.12
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Solution
The fourth proportional to 27,286,165.98, 37,651,335.51 and 16,274,208.12 is: 22,456,275.85
Step by Step Solution
- Step 1: Write the proportion equation
27,286,165.98 : 37,651,335.51 = 16,274,208.12 : x - Step 2: Convert to fraction form
27,286,165.98/37,651,335.51 = 16,274,208.12/x - Step 3: Cross multiply
27,286,165.98x = 37,651,335.51 × 16,274,208.12 - Step 4: Simplify right side
27,286,165.98x = 612,745,670,085,686.25 - Step 5: Solve for x
x = 612,745,670,085,686.25/27,286,165.98 - Step 6: Final answer
x = 22,456,275.85
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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.