Finding the Fourth Proportional to 11,696,435.16, 16,136,137.96 and 7,830,201.88
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Solution
The fourth proportional to 11,696,435.16, 16,136,137.96 and 7,830,201.88 is: 10,802,369.79
Step by Step Solution
- Step 1: Write the proportion equation
11,696,435.16 : 16,136,137.96 = 7,830,201.88 : x - Step 2: Convert to fraction form
11,696,435.16/16,136,137.96 = 7,830,201.88/x - Step 3: Cross multiply
11,696,435.16x = 16,136,137.96 × 7,830,201.88 - Step 4: Simplify right side
11,696,435.16x = 126,349,217,790,331.38 - Step 5: Solve for x
x = 126,349,217,790,331.38/11,696,435.16 - Step 6: Final answer
x = 10,802,369.79
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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.