Finding the Fourth Proportional to 19,469,950.96, 26,876,805.35 and 12,131,409.91
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Solution
The fourth proportional to 19,469,950.96, 26,876,805.35 and 12,131,409.91 is: 16,746,500.47
Step by Step Solution
- Step 1: Write the proportion equation
19,469,950.96 : 26,876,805.35 = 12,131,409.91 : x - Step 2: Convert to fraction form
19,469,950.96/26,876,805.35 = 12,131,409.91/x - Step 3: Cross multiply
19,469,950.96x = 26,876,805.35 × 12,131,409.91 - Step 4: Simplify right side
19,469,950.96x = 326,053,542,857,754.75 - Step 5: Solve for x
x = 326,053,542,857,754.75/19,469,950.96 - Step 6: Final answer
x = 16,746,500.47
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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.