Finding the Fourth Proportional to 11,261,176.50, 16,893,093.35 and 8,439,224.79
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Solution
The fourth proportional to 11,261,176.50, 16,893,093.35 and 8,439,224.79 is: 12,659,832.85
Step by Step Solution
- Step 1: Write the proportion equation
11,261,176.50 : 16,893,093.35 = 8,439,224.79 : x - Step 2: Convert to fraction form
11,261,176.50/16,893,093.35 = 8,439,224.79/x - Step 3: Cross multiply
11,261,176.50x = 16,893,093.35 × 8,439,224.79 - Step 4: Simplify right side
11,261,176.50x = 142,564,612,179,104.16 - Step 5: Solve for x
x = 142,564,612,179,104.16/11,261,176.50 - Step 6: Final answer
x = 12,659,832.85
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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.