Finding the Fourth Proportional to 27,187,749.14, 37,520,157.57 and 14,965,743.38
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Solution
The fourth proportional to 27,187,749.14, 37,520,157.57 and 14,965,743.38 is: 20,653,311.42
Step by Step Solution
- Step 1: Write the proportion equation
27,187,749.14 : 37,520,157.57 = 14,965,743.38 : x - Step 2: Convert to fraction form
27,187,749.14/37,520,157.57 = 14,965,743.38/x - Step 3: Cross multiply
27,187,749.14x = 37,520,157.57 × 14,965,743.38 - Step 4: Simplify right side
27,187,749.14x = 561,517,049,769,784.44 - Step 5: Solve for x
x = 561,517,049,769,784.44/27,187,749.14 - Step 6: Final answer
x = 20,653,311.42
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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.