Finding the Fourth Proportional to 24,621,967.99, 33,978,956.66 and 13,608,891.55
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Solution
The fourth proportional to 24,621,967.99, 33,978,956.66 and 13,608,891.55 is: 18,780,624.54
Step by Step Solution
- Step 1: Write the proportion equation
24,621,967.99 : 33,978,956.66 = 13,608,891.55 : x - Step 2: Convert to fraction form
24,621,967.99/33,978,956.66 = 13,608,891.55/x - Step 3: Cross multiply
24,621,967.99x = 33,978,956.66 × 13,608,891.55 - Step 4: Simplify right side
24,621,967.99x = 462,415,936,168,090.19 - Step 5: Solve for x
x = 462,415,936,168,090.19/24,621,967.99 - Step 6: Final answer
x = 18,780,624.54
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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.