Finding the Fourth Proportional to 8,129,386.14, 12,198,803.13 and 3,641,662.14
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Solution
The fourth proportional to 8,129,386.14, 12,198,803.13 and 3,641,662.14 is: 5,464,609.35
Step by Step Solution
- Step 1: Write the proportion equation
8,129,386.14 : 12,198,803.13 = 3,641,662.14 : x - Step 2: Convert to fraction form
8,129,386.14/12,198,803.13 = 3,641,662.14/x - Step 3: Cross multiply
8,129,386.14x = 12,198,803.13 × 3,641,662.14 - Step 4: Simplify right side
8,129,386.14x = 44,423,919,511,834.50 - Step 5: Solve for x
x = 44,423,919,511,834.50/8,129,386.14 - Step 6: Final answer
x = 5,464,609.35
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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.