Finding the Fourth Proportional to 8,196,732.14, 12,295,688.68 and 3,148,042.64
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Solution
The fourth proportional to 8,196,732.14, 12,295,688.68 and 3,148,042.64 is: 4,722,290.74
Step by Step Solution
- Step 1: Write the proportion equation
8,196,732.14 : 12,295,688.68 = 3,148,042.64 : x - Step 2: Convert to fraction form
8,196,732.14/12,295,688.68 = 3,148,042.64/x - Step 3: Cross multiply
8,196,732.14x = 12,295,688.68 × 3,148,042.64 - Step 4: Simplify right side
8,196,732.14x = 38,707,352,252,805.31 - Step 5: Solve for x
x = 38,707,352,252,805.31/8,196,732.14 - Step 6: Final answer
x = 4,722,290.74
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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.