Finding the Fourth Proportional to 12,367,078.97, 18,541,926.24 and 5,447,274.28
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Solution
The fourth proportional to 12,367,078.97, 18,541,926.24 and 5,447,274.28 is: 8,167,082.80
Step by Step Solution
- Step 1: Write the proportion equation
12,367,078.97 : 18,541,926.24 = 5,447,274.28 : x - Step 2: Convert to fraction form
12,367,078.97/18,541,926.24 = 5,447,274.28/x - Step 3: Cross multiply
12,367,078.97x = 18,541,926.24 × 5,447,274.28 - Step 4: Simplify right side
12,367,078.97x = 101,002,957,842,027 - Step 5: Solve for x
x = 101,002,957,842,027/12,367,078.97 - Step 6: Final answer
x = 8,167,082.80
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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.