Finding the Fourth Proportional to 14,787,845.60, 20,405,207.68 and 8,260,668
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Solution
The fourth proportional to 14,787,845.60, 20,405,207.68 and 8,260,668 is: 11,398,593.86
Step by Step Solution
- Step 1: Write the proportion equation
14,787,845.60 : 20,405,207.68 = 8,260,668 : x - Step 2: Convert to fraction form
14,787,845.60/20,405,207.68 = 8,260,668/x - Step 3: Cross multiply
14,787,845.60x = 20,405,207.68 × 8,260,668 - Step 4: Simplify right side
14,787,845.60x = 168,560,646,115,530.25 - Step 5: Solve for x
x = 168,560,646,115,530.25/14,787,845.60 - Step 6: Final answer
x = 11,398,593.86
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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.