Finding the Fourth Proportional to 17,477,723.50, 24,129,593.10 and 15,538,618.96
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Solution
The fourth proportional to 17,477,723.50, 24,129,593.10 and 15,538,618.96 is: 21,452,482.23
Step by Step Solution
- Step 1: Write the proportion equation
17,477,723.50 : 24,129,593.10 = 15,538,618.96 : x - Step 2: Convert to fraction form
17,477,723.50/24,129,593.10 = 15,538,618.96/x - Step 3: Cross multiply
17,477,723.50x = 24,129,593.10 × 15,538,618.96 - Step 4: Simplify right side
17,477,723.50x = 374,940,552,780,421.19 - Step 5: Solve for x
x = 374,940,552,780,421.19/17,477,723.50 - Step 6: Final answer
x = 21,452,482.23
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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.