Finding the Fourth Proportional to 16,161,219, 22,302,956.62 and 8,819,525.96
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Solution
The fourth proportional to 16,161,219, 22,302,956.62 and 8,819,525.96 is: 12,171,204.72
Step by Step Solution
- Step 1: Write the proportion equation
16,161,219 : 22,302,956.62 = 8,819,525.96 : x - Step 2: Convert to fraction form
16,161,219/22,302,956.62 = 8,819,525.96/x - Step 3: Cross multiply
16,161,219x = 22,302,956.62 × 8,819,525.96 - Step 4: Simplify right side
16,161,219x = 196,701,504,894,843.88 - Step 5: Solve for x
x = 196,701,504,894,843.88/16,161,219 - Step 6: Final answer
x = 12,171,204.72
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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.