Finding the Fourth Proportional to 11,696,127.36, 16,135,766.40 and 9,113,324.16
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Solution
The fourth proportional to 11,696,127.36, 16,135,766.40 and 9,113,324.16 is: 12,572,577.68
Step by Step Solution
- Step 1: Write the proportion equation
11,696,127.36 : 16,135,766.40 = 9,113,324.16 : x - Step 2: Convert to fraction form
11,696,127.36/16,135,766.40 = 9,113,324.16/x - Step 3: Cross multiply
11,696,127.36x = 16,135,766.40 × 9,113,324.16 - Step 4: Simplify right side
11,696,127.36x = 147,050,469,773,236.22 - Step 5: Solve for x
x = 147,050,469,773,236.22/11,696,127.36 - Step 6: Final answer
x = 12,572,577.68
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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.