Finding the Fourth Proportional to 10,043,625.74, 13,847,194.12 and 6,505,126.70
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Solution
The fourth proportional to 10,043,625.74, 13,847,194.12 and 6,505,126.70 is: 8,968,648.82
Step by Step Solution
- Step 1: Write the proportion equation
10,043,625.74 : 13,847,194.12 = 6,505,126.70 : x - Step 2: Convert to fraction form
10,043,625.74/13,847,194.12 = 6,505,126.70/x - Step 3: Cross multiply
10,043,625.74x = 13,847,194.12 × 6,505,126.70 - Step 4: Simplify right side
10,043,625.74x = 90,077,752,190,095 - Step 5: Solve for x
x = 90,077,752,190,095/10,043,625.74 - Step 6: Final answer
x = 8,968,648.82
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1.5x scale
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.