Finding the Fourth Proportional to 13,239,166.54, 19,861,951.20 and 4,602,020.08
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Solution
The fourth proportional to 13,239,166.54, 19,861,951.20 and 4,602,020.08 is: 6,904,142.94
Step by Step Solution
- Step 1: Write the proportion equation
13,239,166.54 : 19,861,951.20 = 4,602,020.08 : x - Step 2: Convert to fraction form
13,239,166.54/19,861,951.20 = 4,602,020.08/x - Step 3: Cross multiply
13,239,166.54x = 19,861,951.20 × 4,602,020.08 - Step 4: Simplify right side
13,239,166.54x = 91,405,098,250,380.09 - Step 5: Solve for x
x = 91,405,098,250,380.09/13,239,166.54 - Step 6: Final answer
x = 6,904,142.94
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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.