Finding the Fourth Proportional to 14,267,273.62, 21,396,414.92 and 4,680,418.18
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Solution
The fourth proportional to 14,267,273.62, 21,396,414.92 and 4,680,418.18 is: 7,019,152.51
Step by Step Solution
- Step 1: Write the proportion equation
14,267,273.62 : 21,396,414.92 = 4,680,418.18 : x - Step 2: Convert to fraction form
14,267,273.62/21,396,414.92 = 4,680,418.18/x - Step 3: Cross multiply
14,267,273.62x = 21,396,414.92 × 4,680,418.18 - Step 4: Simplify right side
14,267,273.62x = 100,144,169,378,391.25 - Step 5: Solve for x
x = 100,144,169,378,391.25/14,267,273.62 - Step 6: Final answer
x = 7,019,152.51
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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.