Finding the Fourth Proportional to 14,997,517.44, 20,696,470.80 and 8,121,842.08
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Solution
The fourth proportional to 14,997,517.44, 20,696,470.80 and 8,121,842.08 is: 11,208,086.15
Step by Step Solution
- Step 1: Write the proportion equation
14,997,517.44 : 20,696,470.80 = 8,121,842.08 : x - Step 2: Convert to fraction form
14,997,517.44/20,696,470.80 = 8,121,842.08/x - Step 3: Cross multiply
14,997,517.44x = 20,696,470.80 × 8,121,842.08 - Step 4: Simplify right side
14,997,517.44x = 168,093,467,450,931.28 - Step 5: Solve for x
x = 168,093,467,450,931.28/14,997,517.44 - Step 6: Final answer
x = 11,208,086.15
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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.