Finding the Fourth Proportional to 18,393,272.01, 27,589,769.57 and 4,745,258.15
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Solution
The fourth proportional to 18,393,272.01, 27,589,769.57 and 4,745,258.15 is: 7,117,851.50
Step by Step Solution
- Step 1: Write the proportion equation
18,393,272.01 : 27,589,769.57 = 4,745,258.15 : x - Step 2: Convert to fraction form
18,393,272.01/27,589,769.57 = 4,745,258.15/x - Step 3: Cross multiply
18,393,272.01x = 27,589,769.57 × 4,745,258.15 - Step 4: Simplify right side
18,393,272.01x = 130,920,578,782,578.78 - Step 5: Solve for x
x = 130,920,578,782,578.78/18,393,272.01 - Step 6: Final answer
x = 7,117,851.50
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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.