Finding the Fourth Proportional to 11,191,322.80, 16,795,841.55 and 4,371,163.30
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Solution
The fourth proportional to 11,191,322.80, 16,795,841.55 and 4,371,163.30 is: 6,560,204.50
Step by Step Solution
- Step 1: Write the proportion equation
11,191,322.80 : 16,795,841.55 = 4,371,163.30 : x - Step 2: Convert to fraction form
11,191,322.80/16,795,841.55 = 4,371,163.30/x - Step 3: Cross multiply
11,191,322.80x = 16,795,841.55 × 4,371,163.30 - Step 4: Simplify right side
11,191,322.80x = 73,417,366,175,975.11 - Step 5: Solve for x
x = 73,417,366,175,975.11/11,191,322.80 - Step 6: Final answer
x = 6,560,204.50
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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.