Finding the Fourth Proportional to 38,852,211.40, 53,614,646.16 and 21,448,182.92
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Solution
The fourth proportional to 38,852,211.40, 53,614,646.16 and 21,448,182.92 is: 29,597,716.49
Step by Step Solution
- Step 1: Write the proportion equation
38,852,211.40 : 53,614,646.16 = 21,448,182.92 : x - Step 2: Convert to fraction form
38,852,211.40/53,614,646.16 = 21,448,182.92/x - Step 3: Cross multiply
38,852,211.40x = 53,614,646.16 × 21,448,182.92 - Step 4: Simplify right side
38,852,211.40x = 1,149,936,738,030,755.50 - Step 5: Solve for x
x = 1,149,936,738,030,755.50/38,852,211.40 - Step 6: Final answer
x = 29,597,716.49
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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.