Finding the Fourth Proportional to 18,363,958.21, 27,563,195.57 and 9,616,515.37
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Solution
The fourth proportional to 18,363,958.21, 27,563,195.57 and 9,616,515.37 is: 14,433,810.56
Step by Step Solution
- Step 1: Write the proportion equation
18,363,958.21 : 27,563,195.57 = 9,616,515.37 : x - Step 2: Convert to fraction form
18,363,958.21/27,563,195.57 = 9,616,515.37/x - Step 3: Cross multiply
18,363,958.21x = 27,563,195.57 × 9,616,515.37 - Step 4: Simplify right side
18,363,958.21x = 265,061,893,845,220.91 - Step 5: Solve for x
x = 265,061,893,845,220.91/18,363,958.21 - Step 6: Final answer
x = 14,433,810.56
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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.