Finding the Fourth Proportional to 36,112,216.20, 54,168,324.30 and 21,727,879.80
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Solution
The fourth proportional to 36,112,216.20, 54,168,324.30 and 21,727,879.80 is: 32,591,819.70
Step by Step Solution
- Step 1: Write the proportion equation
36,112,216.20 : 54,168,324.30 = 21,727,879.80 : x - Step 2: Convert to fraction form
36,112,216.20/54,168,324.30 = 21,727,879.80/x - Step 3: Cross multiply
36,112,216.20x = 54,168,324.30 × 21,727,879.80 - Step 4: Simplify right side
36,112,216.20x = 1,176,962,839,357,819 - Step 5: Solve for x
x = 1,176,962,839,357,819/36,112,216.20 - Step 6: Final answer
x = 32,591,819.70
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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.