Finding the Fourth Proportional to 11,848,057.80, 17,772,086.70 and 4,657,201.80
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Solution
The fourth proportional to 11,848,057.80, 17,772,086.70 and 4,657,201.80 is: 6,985,802.70
Step by Step Solution
- Step 1: Write the proportion equation
11,848,057.80 : 17,772,086.70 = 4,657,201.80 : x - Step 2: Convert to fraction form
11,848,057.80/17,772,086.70 = 4,657,201.80/x - Step 3: Cross multiply
11,848,057.80x = 17,772,086.70 × 4,657,201.80 - Step 4: Simplify right side
11,848,057.80x = 82,768,194,168,996.05 - Step 5: Solve for x
x = 82,768,194,168,996.05/11,848,057.80 - Step 6: Final answer
x = 6,985,802.70
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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.