Finding the Fourth Proportional to 12,676,623.15, 17,494,135.97 and 7,169,890.26
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Solution
The fourth proportional to 12,676,623.15, 17,494,135.97 and 7,169,890.26 is: 9,894,672.55
Step by Step Solution
- Step 1: Write the proportion equation
12,676,623.15 : 17,494,135.97 = 7,169,890.26 : x - Step 2: Convert to fraction form
12,676,623.15/17,494,135.97 = 7,169,890.26/x - Step 3: Cross multiply
12,676,623.15x = 17,494,135.97 × 7,169,890.26 - Step 4: Simplify right side
12,676,623.15x = 125,431,035,062,569.20 - Step 5: Solve for x
x = 125,431,035,062,569.20/12,676,623.15 - Step 6: Final answer
x = 9,894,672.55
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.