Finding the Fourth Proportional to 11,305,543.38, 15,605,708.06 and 6,721,853.82
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Solution
The fourth proportional to 11,305,543.38, 15,605,708.06 and 6,721,853.82 is: 9,278,571.12
Step by Step Solution
- Step 1: Write the proportion equation
11,305,543.38 : 15,605,708.06 = 6,721,853.82 : x - Step 2: Convert to fraction form
11,305,543.38/15,605,708.06 = 6,721,853.82/x - Step 3: Cross multiply
11,305,543.38x = 15,605,708.06 × 6,721,853.82 - Step 4: Simplify right side
11,305,543.38x = 104,899,288,336,915.80 - Step 5: Solve for x
x = 104,899,288,336,915.80/11,305,543.38 - Step 6: Final answer
x = 9,278,571.12
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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.