Finding the Fourth Proportional to 18,311,208.16, 27,471,914.96 and 14,931,409.92
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Solution
The fourth proportional to 18,311,208.16, 27,471,914.96 and 14,931,409.92 is: 22,401,275.76
Step by Step Solution
- Step 1: Write the proportion equation
18,311,208.16 : 27,471,914.96 = 14,931,409.92 : x - Step 2: Convert to fraction form
18,311,208.16/27,471,914.96 = 14,931,409.92/x - Step 3: Cross multiply
18,311,208.16x = 27,471,914.96 × 14,931,409.92 - Step 4: Simplify right side
18,311,208.16x = 410,194,423,555,140.44 - Step 5: Solve for x
x = 410,194,423,555,140.44/18,311,208.16 - Step 6: Final answer
x = 22,401,275.76
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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.