Finding the Fourth Proportional to 11,416,174.40, 15,745,975.08 and 7,289,042.96
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Solution
The fourth proportional to 11,416,174.40, 15,745,975.08 and 7,289,042.96 is: 10,053,550.76
Step by Step Solution
- Step 1: Write the proportion equation
11,416,174.40 : 15,745,975.08 = 7,289,042.96 : x - Step 2: Convert to fraction form
11,416,174.40/15,745,975.08 = 7,289,042.96/x - Step 3: Cross multiply
11,416,174.40x = 15,745,975.08 × 7,289,042.96 - Step 4: Simplify right side
11,416,174.40x = 114,773,088,805,209.44 - Step 5: Solve for x
x = 114,773,088,805,209.44/11,416,174.40 - Step 6: Final answer
x = 10,053,550.76
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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.