Finding the Fourth Proportional to 27,582,163.08, 38,063,383.24 and 15,986,452.61
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Solution
The fourth proportional to 27,582,163.08, 38,063,383.24 and 15,986,452.61 is: 22,061,303.55
Step by Step Solution
- Step 1: Write the proportion equation
27,582,163.08 : 38,063,383.24 = 15,986,452.61 : x - Step 2: Convert to fraction form
27,582,163.08/38,063,383.24 = 15,986,452.61/x - Step 3: Cross multiply
27,582,163.08x = 38,063,383.24 × 15,986,452.61 - Step 4: Simplify right side
27,582,163.08x = 608,498,472,342,528.25 - Step 5: Solve for x
x = 608,498,472,342,528.25/27,582,163.08 - Step 6: Final answer
x = 22,061,303.55
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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.