Finding the Fourth Proportional to 27,186,709.18, 37,517,656.56 and 14,796,891.40
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Solution
The fourth proportional to 27,186,709.18, 37,517,656.56 and 14,796,891.40 is: 20,419,708.98
Step by Step Solution
- Step 1: Write the proportion equation
27,186,709.18 : 37,517,656.56 = 14,796,891.40 : x - Step 2: Convert to fraction form
27,186,709.18/37,517,656.56 = 14,796,891.40/x - Step 3: Cross multiply
27,186,709.18x = 37,517,656.56 × 14,796,891.40 - Step 4: Simplify right side
27,186,709.18x = 555,144,689,700,817.62 - Step 5: Solve for x
x = 555,144,689,700,817.62/27,186,709.18 - Step 6: Final answer
x = 20,419,708.98
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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.