Finding the Fourth Proportional to 27,163,621.26, 37,486,506.51 and 14,940,799.02
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Solution
The fourth proportional to 27,163,621.26, 37,486,506.51 and 14,940,799.02 is: 20,618,692.71
Step by Step Solution
- Step 1: Write the proportion equation
27,163,621.26 : 37,486,506.51 = 14,940,799.02 : x - Step 2: Convert to fraction form
27,163,621.26/37,486,506.51 = 14,940,799.02/x - Step 3: Cross multiply
27,163,621.26x = 37,486,506.51 × 14,940,799.02 - Step 4: Simplify right side
27,163,621.26x = 560,078,359,727,831.56 - Step 5: Solve for x
x = 560,078,359,727,831.56/27,163,621.26 - Step 6: Final answer
x = 20,618,692.71
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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.