Finding the Fourth Proportional to 38,836,279.20, 58,268,415.60 and 16,133,469.60
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Solution
The fourth proportional to 38,836,279.20, 58,268,415.60 and 16,133,469.60 is: 24,206,018.99
Step by Step Solution
- Step 1: Write the proportion equation
38,836,279.20 : 58,268,415.60 = 16,133,469.60 : x - Step 2: Convert to fraction form
38,836,279.20/58,268,415.60 = 16,133,469.60/x - Step 3: Cross multiply
38,836,279.20x = 58,268,415.60 × 16,133,469.60 - Step 4: Simplify right side
38,836,279.20x = 940,071,711,722,765.75 - Step 5: Solve for x
x = 940,071,711,722,765.75/38,836,279.20 - Step 6: Final answer
x = 24,206,018.99
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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.