Finding the Fourth Proportional to 6,263,115.76, 8,643,116.10 and 3,651,170.68
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Solution
The fourth proportional to 6,263,115.76, 8,643,116.10 and 3,651,170.68 is: 5,038,625.07
Step by Step Solution
- Step 1: Write the proportion equation
6,263,115.76 : 8,643,116.10 = 3,651,170.68 : x - Step 2: Convert to fraction form
6,263,115.76/8,643,116.10 = 3,651,170.68/x - Step 3: Cross multiply
6,263,115.76x = 8,643,116.10 × 3,651,170.68 - Step 4: Simplify right side
6,263,115.76x = 31,557,492,088,155.95 - Step 5: Solve for x
x = 31,557,492,088,155.95/6,263,115.76 - Step 6: Final answer
x = 5,038,625.07
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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.