Finding the Fourth Proportional to 18,483,381.20, 27,726,924.60 and 6,351,246.80
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Solution
The fourth proportional to 18,483,381.20, 27,726,924.60 and 6,351,246.80 is: 9,527,506.86
Step by Step Solution
- Step 1: Write the proportion equation
18,483,381.20 : 27,726,924.60 = 6,351,246.80 : x - Step 2: Convert to fraction form
18,483,381.20/27,726,924.60 = 6,351,246.80/x - Step 3: Cross multiply
18,483,381.20x = 27,726,924.60 × 6,351,246.80 - Step 4: Simplify right side
18,483,381.20x = 176,100,541,139,591.28 - Step 5: Solve for x
x = 176,100,541,139,591.28/18,483,381.20 - Step 6: Final answer
x = 9,527,506.86
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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.