Finding the Fourth Proportional to 18,964,956.42, 26,171,719.62 and 10,263,129.44
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Solution
The fourth proportional to 18,964,956.42, 26,171,719.62 and 10,263,129.44 is: 14,163,161.79
Step by Step Solution
- Step 1: Write the proportion equation
18,964,956.42 : 26,171,719.62 = 10,263,129.44 : x - Step 2: Convert to fraction form
18,964,956.42/26,171,719.62 = 10,263,129.44/x - Step 3: Cross multiply
18,964,956.42x = 26,171,719.62 × 10,263,129.44 - Step 4: Simplify right side
18,964,956.42x = 268,603,746,127,447.62 - Step 5: Solve for x
x = 268,603,746,127,447.62/18,964,956.42 - Step 6: Final answer
x = 14,163,161.79
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.