Finding the Fourth Proportional to 7,673,792.80, 11,514,836.40 and 3,414,618.40
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Solution
The fourth proportional to 7,673,792.80, 11,514,836.40 and 3,414,618.40 is: 5,123,772.99
Step by Step Solution
- Step 1: Write the proportion equation
7,673,792.80 : 11,514,836.40 = 3,414,618.40 : x - Step 2: Convert to fraction form
7,673,792.80/11,514,836.40 = 3,414,618.40/x - Step 3: Cross multiply
7,673,792.80x = 11,514,836.40 × 3,414,618.40 - Step 4: Simplify right side
7,673,792.80x = 39,318,772,244,429.76 - Step 5: Solve for x
x = 39,318,772,244,429.76/7,673,792.80 - Step 6: Final answer
x = 5,123,772.99
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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.