Finding the Fourth Proportional to 18,078,572.71, 27,114,860.81 and 5,948,184.07
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Solution
The fourth proportional to 18,078,572.71, 27,114,860.81 and 5,948,184.07 is: 8,921,289.62
Step by Step Solution
- Step 1: Write the proportion equation
18,078,572.71 : 27,114,860.81 = 5,948,184.07 : x - Step 2: Convert to fraction form
18,078,572.71/27,114,860.81 = 5,948,184.07/x - Step 3: Cross multiply
18,078,572.71x = 27,114,860.81 × 5,948,184.07 - Step 4: Simplify right side
18,078,572.71x = 161,284,183,100,568.38 - Step 5: Solve for x
x = 161,284,183,100,568.38/18,078,572.71 - Step 6: Final answer
x = 8,921,289.62
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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.