Finding the Fourth Proportional to 18,567,938.20, 27,851,907.30 and 14,536,859.80
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Solution
The fourth proportional to 18,567,938.20, 27,851,907.30 and 14,536,859.80 is: 21,805,289.70
Step by Step Solution
- Step 1: Write the proportion equation
18,567,938.20 : 27,851,907.30 = 14,536,859.80 : x - Step 2: Convert to fraction form
18,567,938.20/27,851,907.30 = 14,536,859.80/x - Step 3: Cross multiply
18,567,938.20x = 27,851,907.30 × 14,536,859.80 - Step 4: Simplify right side
18,567,938.20x = 404,879,271,582,696.56 - Step 5: Solve for x
x = 404,879,271,582,696.56/18,567,938.20 - Step 6: Final answer
x = 21,805,289.70
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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.