Finding the Fourth Proportional to 18,106,306.80, 24,986,356.88 and 9,957,544.80
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Solution
The fourth proportional to 18,106,306.80, 24,986,356.88 and 9,957,544.80 is: 13,741,221.26
Step by Step Solution
- Step 1: Write the proportion equation
18,106,306.80 : 24,986,356.88 = 9,957,544.80 : x - Step 2: Convert to fraction form
18,106,306.80/24,986,356.88 = 9,957,544.80/x - Step 3: Cross multiply
18,106,306.80x = 24,986,356.88 × 9,957,544.80 - Step 4: Simplify right side
18,106,306.80x = 248,802,768,021,388.22 - Step 5: Solve for x
x = 248,802,768,021,388.22/18,106,306.80 - Step 6: Final answer
x = 13,741,221.26
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.