Finding the Fourth Proportional to 13,851,137.07, 20,775,720.22 and 4,265,516.07
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Solution
The fourth proportional to 13,851,137.07, 20,775,720.22 and 4,265,516.07 is: 6,397,970.65
Step by Step Solution
- Step 1: Write the proportion equation
13,851,137.07 : 20,775,720.22 = 4,265,516.07 : x - Step 2: Convert to fraction form
13,851,137.07/20,775,720.22 = 4,265,516.07/x - Step 3: Cross multiply
13,851,137.07x = 20,775,720.22 × 4,265,516.07 - Step 4: Simplify right side
13,851,137.07x = 88,619,168,453,570.16 - Step 5: Solve for x
x = 88,619,168,453,570.16/13,851,137.07 - Step 6: Final answer
x = 6,397,970.65
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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.