Finding the Fourth Proportional to 14,722,859.79, 20,317,149.60 and 8,196,489.84
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Solution
The fourth proportional to 14,722,859.79, 20,317,149.60 and 8,196,489.84 is: 11,310,935.01
Step by Step Solution
- Step 1: Write the proportion equation
14,722,859.79 : 20,317,149.60 = 8,196,489.84 : x - Step 2: Convert to fraction form
14,722,859.79/20,317,149.60 = 8,196,489.84/x - Step 3: Cross multiply
14,722,859.79x = 20,317,149.60 × 8,196,489.84 - Step 4: Simplify right side
14,722,859.79x = 166,529,310,274,160.06 - Step 5: Solve for x
x = 166,529,310,274,160.06/14,722,859.79 - Step 6: Final answer
x = 11,310,935.01
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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.