Finding the Fourth Proportional to 13,990,072.68, 20,985,857.82 and 4,406,198.12
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Solution
The fourth proportional to 13,990,072.68, 20,985,857.82 and 4,406,198.12 is: 6,609,533.02
Step by Step Solution
- Step 1: Write the proportion equation
13,990,072.68 : 20,985,857.82 = 4,406,198.12 : x - Step 2: Convert to fraction form
13,990,072.68/20,985,857.82 = 4,406,198.12/x - Step 3: Cross multiply
13,990,072.68x = 20,985,857.82 × 4,406,198.12 - Step 4: Simplify right side
13,990,072.68x = 92,467,847,273,071.30 - Step 5: Solve for x
x = 92,467,847,273,071.30/13,990,072.68 - Step 6: Final answer
x = 6,609,533.02
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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.