Finding the Fourth Proportional to 11,727,116.78, 17,590,426.05 and 3,207,453.26
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Solution
The fourth proportional to 11,727,116.78, 17,590,426.05 and 3,207,453.26 is: 4,811,111.75
Step by Step Solution
- Step 1: Write the proportion equation
11,727,116.78 : 17,590,426.05 = 3,207,453.26 : x - Step 2: Convert to fraction form
11,727,116.78/17,590,426.05 = 3,207,453.26/x - Step 3: Cross multiply
11,727,116.78x = 17,590,426.05 × 3,207,453.26 - Step 4: Simplify right side
11,727,116.78x = 56,420,469,378,861.42 - Step 5: Solve for x
x = 56,420,469,378,861.42/11,727,116.78 - Step 6: Final answer
x = 4,811,111.75
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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.