Finding the Fourth Proportional to 11,444,951.59, 15,790,126.97 and 7,092,449.80
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Solution
The fourth proportional to 11,444,951.59, 15,790,126.97 and 7,092,449.80 is: 9,785,160.03
Step by Step Solution
- Step 1: Write the proportion equation
11,444,951.59 : 15,790,126.97 = 7,092,449.80 : x - Step 2: Convert to fraction form
11,444,951.59/15,790,126.97 = 7,092,449.80/x - Step 3: Cross multiply
11,444,951.59x = 15,790,126.97 × 7,092,449.80 - Step 4: Simplify right side
11,444,951.59x = 111,990,682,848,606.92 - Step 5: Solve for x
x = 111,990,682,848,606.92/11,444,951.59 - Step 6: Final answer
x = 9,785,160.03
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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.