Finding the Fourth Proportional to 18,013,573.97, 27,016,308.95 and 8,288,858.76
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Solution
The fourth proportional to 18,013,573.97, 27,016,308.95 and 8,288,858.76 is: 12,431,423.63
Step by Step Solution
- Step 1: Write the proportion equation
18,013,573.97 : 27,016,308.95 = 8,288,858.76 : x - Step 2: Convert to fraction form
18,013,573.97/27,016,308.95 = 8,288,858.76/x - Step 3: Cross multiply
18,013,573.97x = 27,016,308.95 × 8,288,858.76 - Step 4: Simplify right side
18,013,573.97x = 223,934,369,061,629.59 - Step 5: Solve for x
x = 223,934,369,061,629.59/18,013,573.97 - Step 6: Final answer
x = 12,431,423.63
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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.