Finding the Fourth Proportional to 26,659,786.12, 36,790,495.86 and 14,436,639.88
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Solution
The fourth proportional to 26,659,786.12, 36,790,495.86 and 14,436,639.88 is: 19,922,558.17
Step by Step Solution
- Step 1: Write the proportion equation
26,659,786.12 : 36,790,495.86 = 14,436,639.88 : x - Step 2: Convert to fraction form
26,659,786.12/36,790,495.86 = 14,436,639.88/x - Step 3: Cross multiply
26,659,786.12x = 36,790,495.86 × 14,436,639.88 - Step 4: Simplify right side
26,659,786.12x = 531,131,139,737,450.94 - Step 5: Solve for x
x = 531,131,139,737,450.94/26,659,786.12 - Step 6: Final answer
x = 19,922,558.17
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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.