Finding the Fourth Proportional to 7,794,442.14, 11,691,668.88 and 2,114,665.98
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Solution
The fourth proportional to 7,794,442.14, 11,691,668.88 and 2,114,665.98 is: 3,172,000.51
Step by Step Solution
- Step 1: Write the proportion equation
7,794,442.14 : 11,691,668.88 = 2,114,665.98 : x - Step 2: Convert to fraction form
7,794,442.14/11,691,668.88 = 2,114,665.98/x - Step 3: Cross multiply
7,794,442.14x = 11,691,668.88 × 2,114,665.98 - Step 4: Simplify right side
7,794,442.14x = 24,723,974,429,960.70 - Step 5: Solve for x
x = 24,723,974,429,960.70/7,794,442.14 - Step 6: Final answer
x = 3,172,000.51
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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.