Finding the Fourth Proportional to 10,865,057.82, 14,992,902.15 and 6,281,674.44
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Solution
The fourth proportional to 10,865,057.82, 14,992,902.15 and 6,281,674.44 is: 8,668,203.32
Step by Step Solution
- Step 1: Write the proportion equation
10,865,057.82 : 14,992,902.15 = 6,281,674.44 : x - Step 2: Convert to fraction form
10,865,057.82/14,992,902.15 = 6,281,674.44/x - Step 3: Cross multiply
10,865,057.82x = 14,992,902.15 × 6,281,674.44 - Step 4: Simplify right side
10,865,057.82x = 94,180,530,217,076.05 - Step 5: Solve for x
x = 94,180,530,217,076.05/10,865,057.82 - Step 6: Final answer
x = 8,668,203.32
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.