Finding the Fourth Proportional to 20,043,409.08, 27,660,517.41 and 11,781,955.53
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Solution
The fourth proportional to 20,043,409.08, 27,660,517.41 and 11,781,955.53 is: 16,259,458.90
Step by Step Solution
- Step 1: Write the proportion equation
20,043,409.08 : 27,660,517.41 = 11,781,955.53 : x - Step 2: Convert to fraction form
20,043,409.08/27,660,517.41 = 11,781,955.53/x - Step 3: Cross multiply
20,043,409.08x = 27,660,517.41 × 11,781,955.53 - Step 4: Simplify right side
20,043,409.08x = 325,894,986,061,410.75 - Step 5: Solve for x
x = 325,894,986,061,410.75/20,043,409.08 - Step 6: Final answer
x = 16,259,458.90
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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.