Finding the Fourth Proportional to 12,531,135.34, 18,796,717.68 and 3,433,310.20
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Solution
The fourth proportional to 12,531,135.34, 18,796,717.68 and 3,433,310.20 is: 5,149,969.32
Step by Step Solution
- Step 1: Write the proportion equation
12,531,135.34 : 18,796,717.68 = 3,433,310.20 : x - Step 2: Convert to fraction form
12,531,135.34/18,796,717.68 = 3,433,310.20/x - Step 3: Cross multiply
12,531,135.34x = 18,796,717.68 × 3,433,310.20 - Step 4: Simplify right side
12,531,135.34x = 64,534,962,537,264.34 - Step 5: Solve for x
x = 64,534,962,537,264.34/12,531,135.34 - Step 6: Final answer
x = 5,149,969.32
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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.