Finding the Fourth Proportional to 18,959,224.10, 26,190,513.88 and 15,086,790.68
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Solution
The fourth proportional to 18,959,224.10, 26,190,513.88 and 15,086,790.68 is: 20,841,084.98
Step by Step Solution
- Step 1: Write the proportion equation
18,959,224.10 : 26,190,513.88 = 15,086,790.68 : x - Step 2: Convert to fraction form
18,959,224.10/26,190,513.88 = 15,086,790.68/x - Step 3: Cross multiply
18,959,224.10x = 26,190,513.88 × 15,086,790.68 - Step 4: Simplify right side
18,959,224.10x = 395,130,800,540,525.12 - Step 5: Solve for x
x = 395,130,800,540,525.12/18,959,224.10 - Step 6: Final answer
x = 20,841,084.98
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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.