Finding the Fourth Proportional to 27,190,344.87, 40,740,116.00 and 19,088,816.54
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Solution
The fourth proportional to 27,190,344.87, 40,740,116.00 and 19,088,816.54 is: 28,601,351.09
Step by Step Solution
- Step 1: Write the proportion equation
27,190,344.87 : 40,740,116.00 = 19,088,816.54 : x - Step 2: Convert to fraction form
27,190,344.87/40,740,116.00 = 19,088,816.54/x - Step 3: Cross multiply
27,190,344.87x = 40,740,116.00 × 19,088,816.54 - Step 4: Simplify right side
27,190,344.87x = 777,680,599,843,173.88 - Step 5: Solve for x
x = 777,680,599,843,173.88/27,190,344.87 - Step 6: Final answer
x = 28,601,351.09
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1.5x scale
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.