Finding the Fourth Proportional to 13,533,999.42, 20,300,661.94 and 3,949,460.99
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Solution
The fourth proportional to 13,533,999.42, 20,300,661.94 and 3,949,460.99 is: 5,924,093.09
Step by Step Solution
- Step 1: Write the proportion equation
13,533,999.42 : 20,300,661.94 = 3,949,460.99 : x - Step 2: Convert to fraction form
13,533,999.42/20,300,661.94 = 3,949,460.99/x - Step 3: Cross multiply
13,533,999.42x = 20,300,661.94 × 3,949,460.99 - Step 4: Simplify right side
13,533,999.42x = 80,176,672,403,207.73 - Step 5: Solve for x
x = 80,176,672,403,207.73/13,533,999.42 - Step 6: Final answer
x = 5,924,093.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.