Finding the Fourth Proportional to 24,621,694.53, 33,979,697.67 and 13,608,207.15
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Solution
The fourth proportional to 24,621,694.53, 33,979,697.67 and 13,608,207.15 is: 18,780,298.17
Step by Step Solution
- Step 1: Write the proportion equation
24,621,694.53 : 33,979,697.67 = 13,608,207.15 : x - Step 2: Convert to fraction form
24,621,694.53/33,979,697.67 = 13,608,207.15/x - Step 3: Cross multiply
24,621,694.53x = 33,979,697.67 × 13,608,207.15 - Step 4: Simplify right side
24,621,694.53x = 462,402,764,787,732.38 - Step 5: Solve for x
x = 462,402,764,787,732.38/24,621,694.53 - Step 6: Final answer
x = 18,780,298.17
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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.