Finding the Fourth Proportional to 18,418,325.43, 27,627,468.69 and 6,286,782.09
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Solution
The fourth proportional to 18,418,325.43, 27,627,468.69 and 6,286,782.09 is: 9,430,166.49
Step by Step Solution
- Step 1: Write the proportion equation
18,418,325.43 : 27,627,468.69 = 6,286,782.09 : x - Step 2: Convert to fraction form
18,418,325.43/27,627,468.69 = 6,286,782.09/x - Step 3: Cross multiply
18,418,325.43x = 27,627,468.69 × 6,286,782.09 - Step 4: Simplify right side
18,418,325.43x = 173,687,875,352,327.78 - Step 5: Solve for x
x = 173,687,875,352,327.78/18,418,325.43 - Step 6: Final answer
x = 9,430,166.49
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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.