Finding the Fourth Proportional to 15,609,093.56, 21,541,125.85 and 8,545,181.97
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Solution
The fourth proportional to 15,609,093.56, 21,541,125.85 and 8,545,181.97 is: 11,792,666.86
Step by Step Solution
- Step 1: Write the proportion equation
15,609,093.56 : 21,541,125.85 = 8,545,181.97 : x - Step 2: Convert to fraction form
15,609,093.56/21,541,125.85 = 8,545,181.97/x - Step 3: Cross multiply
15,609,093.56x = 21,541,125.85 × 8,545,181.97 - Step 4: Simplify right side
15,609,093.56x = 184,072,840,310,374.81 - Step 5: Solve for x
x = 184,072,840,310,374.81/15,609,093.56 - Step 6: Final answer
x = 11,792,666.86
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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.