Finding the Fourth Proportional to 29,347,986.20, 44,021,979.30 and 18,577,448.60
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Solution
The fourth proportional to 29,347,986.20, 44,021,979.30 and 18,577,448.60 is: 27,866,172.90
Step by Step Solution
- Step 1: Write the proportion equation
29,347,986.20 : 44,021,979.30 = 18,577,448.60 : x - Step 2: Convert to fraction form
29,347,986.20/44,021,979.30 = 18,577,448.60/x - Step 3: Cross multiply
29,347,986.20x = 44,021,979.30 × 18,577,448.60 - Step 4: Simplify right side
29,347,986.20x = 817,816,057,716,014 - Step 5: Solve for x
x = 817,816,057,716,014/29,347,986.20 - Step 6: Final answer
x = 27,866,172.90
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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.