Finding the Fourth Proportional to 18,378,150.24, 27,567,446.76 and 5,598,765.66
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Solution
The fourth proportional to 18,378,150.24, 27,567,446.76 and 5,598,765.66 is: 8,398,215.94
Step by Step Solution
- Step 1: Write the proportion equation
18,378,150.24 : 27,567,446.76 = 5,598,765.66 : x - Step 2: Convert to fraction form
18,378,150.24/27,567,446.76 = 5,598,765.66/x - Step 3: Cross multiply
18,378,150.24x = 27,567,446.76 × 5,598,765.66 - Step 4: Simplify right side
18,378,150.24x = 154,343,674,253,766.28 - Step 5: Solve for x
x = 154,343,674,253,766.28/18,378,150.24 - Step 6: Final answer
x = 8,398,215.94
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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.