Finding the Fourth Proportional to 18,442,180.80, 27,644,608.80 and 10,865,246.40
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Solution
The fourth proportional to 18,442,180.80, 27,644,608.80 and 10,865,246.40 is: 16,286,874.61
Step by Step Solution
- Step 1: Write the proportion equation
18,442,180.80 : 27,644,608.80 = 10,865,246.40 : x - Step 2: Convert to fraction form
18,442,180.80/27,644,608.80 = 10,865,246.40/x - Step 3: Cross multiply
18,442,180.80x = 27,644,608.80 × 10,865,246.40 - Step 4: Simplify right side
18,442,180.80x = 300,365,486,243,608.31 - Step 5: Solve for x
x = 300,365,486,243,608.31/18,442,180.80 - Step 6: Final answer
x = 16,286,874.61
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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.