Finding the Fourth Proportional to 8,170,940.01, 11,267,534.39 and 5,416,669.29
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Solution
The fourth proportional to 8,170,940.01, 11,267,534.39 and 5,416,669.29 is: 7,469,459.74
Step by Step Solution
- Step 1: Write the proportion equation
8,170,940.01 : 11,267,534.39 = 5,416,669.29 : x - Step 2: Convert to fraction form
8,170,940.01/11,267,534.39 = 5,416,669.29/x - Step 3: Cross multiply
8,170,940.01x = 11,267,534.39 × 5,416,669.29 - Step 4: Simplify right side
8,170,940.01x = 61,032,507,477,248.54 - Step 5: Solve for x
x = 61,032,507,477,248.54/8,170,940.01 - Step 6: Final answer
x = 7,469,459.74
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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.