Finding the Fourth Proportional to 11,816,553.10, 17,731,828.05 and 8,613,618.70
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Solution
The fourth proportional to 11,816,553.10, 17,731,828.05 and 8,613,618.70 is: 12,925,529.50
Step by Step Solution
- Step 1: Write the proportion equation
11,816,553.10 : 17,731,828.05 = 8,613,618.70 : x - Step 2: Convert to fraction form
11,816,553.10/17,731,828.05 = 8,613,618.70/x - Step 3: Cross multiply
11,816,553.10x = 17,731,828.05 × 8,613,618.70 - Step 4: Simplify right side
11,816,553.10x = 152,735,205,676,664.53 - Step 5: Solve for x
x = 152,735,205,676,664.53/11,816,553.10 - Step 6: Final answer
x = 12,925,529.50
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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.