Finding the Fourth Proportional to 45,571,378.44, 68,356,912.14 and 18,645,034.44
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Solution
The fourth proportional to 45,571,378.44, 68,356,912.14 and 18,645,034.44 is: 27,967,488.03
Step by Step Solution
- Step 1: Write the proportion equation
45,571,378.44 : 68,356,912.14 = 18,645,034.44 : x - Step 2: Convert to fraction form
45,571,378.44/68,356,912.14 = 18,645,034.44/x - Step 3: Cross multiply
45,571,378.44x = 68,356,912.14 × 18,645,034.44 - Step 4: Simplify right side
45,571,378.44x = 1,274,516,981,062,354.25 - Step 5: Solve for x
x = 1,274,516,981,062,354.25/45,571,378.44 - Step 6: Final answer
x = 27,967,488.03
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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.