Finding the Fourth Proportional to 18,662,990, 27,994,485.36 and 4,479,566
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Solution
The fourth proportional to 18,662,990, 27,994,485.36 and 4,479,566 is: 6,719,349.09
Step by Step Solution
- Step 1: Write the proportion equation
18,662,990 : 27,994,485.36 = 4,479,566 : x - Step 2: Convert to fraction form
18,662,990/27,994,485.36 = 4,479,566/x - Step 3: Cross multiply
18,662,990x = 27,994,485.36 × 4,479,566 - Step 4: Simplify right side
18,662,990x = 125,403,144,806,153.75 - Step 5: Solve for x
x = 125,403,144,806,153.75/18,662,990 - Step 6: Final answer
x = 6,719,349.09
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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.