Finding the Fourth Proportional to 18,326,349.92, 27,493,060.53 and 6,965,910.38
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Solution
The fourth proportional to 18,326,349.92, 27,493,060.53 and 6,965,910.38 is: 10,450,209.48
Step by Step Solution
- Step 1: Write the proportion equation
18,326,349.92 : 27,493,060.53 = 6,965,910.38 : x - Step 2: Convert to fraction form
18,326,349.92/27,493,060.53 = 6,965,910.38/x - Step 3: Cross multiply
18,326,349.92x = 27,493,060.53 × 6,965,910.38 - Step 4: Simplify right side
18,326,349.92x = 191,514,195,723,895.31 - Step 5: Solve for x
x = 191,514,195,723,895.31/18,326,349.92 - Step 6: Final answer
x = 10,450,209.48
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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.