Finding the Fourth Proportional to 18,056,874.18, 27,069,367.62 and 13,815,975
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Solution
The fourth proportional to 18,056,874.18, 27,069,367.62 and 13,815,975 is: 20,711,763.43
Step by Step Solution
- Step 1: Write the proportion equation
18,056,874.18 : 27,069,367.62 = 13,815,975 : x - Step 2: Convert to fraction form
18,056,874.18/27,069,367.62 = 13,815,975/x - Step 3: Cross multiply
18,056,874.18x = 27,069,367.62 × 13,815,975 - Step 4: Simplify right side
18,056,874.18x = 373,989,706,303,729.50 - Step 5: Solve for x
x = 373,989,706,303,729.50/18,056,874.18 - Step 6: Final answer
x = 20,711,763.43
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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.