Finding the Fourth Proportional to 20,094,608.16, 27,729,722.16 and 11,393,368.92
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Solution
The fourth proportional to 20,094,608.16, 27,729,722.16 and 11,393,368.92 is: 15,722,374.48
Step by Step Solution
- Step 1: Write the proportion equation
20,094,608.16 : 27,729,722.16 = 11,393,368.92 : x - Step 2: Convert to fraction form
20,094,608.16/27,729,722.16 = 11,393,368.92/x - Step 3: Cross multiply
20,094,608.16x = 27,729,722.16 × 11,393,368.92 - Step 4: Simplify right side
20,094,608.16x = 315,934,954,617,979.25 - Step 5: Solve for x
x = 315,934,954,617,979.25/20,094,608.16 - Step 6: Final answer
x = 15,722,374.48
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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.