Finding the Fourth Proportional to 18,016,370.40, 27,024,730.56 and 14,413,186.08
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Solution
The fourth proportional to 18,016,370.40, 27,024,730.56 and 14,413,186.08 is: 21,619,919.09
Step by Step Solution
- Step 1: Write the proportion equation
18,016,370.40 : 27,024,730.56 = 14,413,186.08 : x - Step 2: Convert to fraction form
18,016,370.40/27,024,730.56 = 14,413,186.08/x - Step 3: Cross multiply
18,016,370.40x = 27,024,730.56 × 14,413,186.08 - Step 4: Simplify right side
18,016,370.40x = 389,512,470,323,142.56 - Step 5: Solve for x
x = 389,512,470,323,142.56/18,016,370.40 - Step 6: Final answer
x = 21,619,919.09
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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.