Finding the Fourth Proportional to 20,019,245.14, 27,625,254.01 and 11,197,167.81
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Solution
The fourth proportional to 20,019,245.14, 27,625,254.01 and 11,197,167.81 is: 15,451,362.07
Step by Step Solution
- Step 1: Write the proportion equation
20,019,245.14 : 27,625,254.01 = 11,197,167.81 : x - Step 2: Convert to fraction form
20,019,245.14/27,625,254.01 = 11,197,167.81/x - Step 3: Cross multiply
20,019,245.14x = 27,625,254.01 × 11,197,167.81 - Step 4: Simplify right side
20,019,245.14x = 309,324,604,943,845.44 - Step 5: Solve for x
x = 309,324,604,943,845.44/20,019,245.14 - Step 6: Final answer
x = 15,451,362.07
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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.