Finding the Fourth Proportional to 11,145,329.36, 15,382,235.70 and 6,796,938.11
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Solution
The fourth proportional to 11,145,329.36, 15,382,235.70 and 6,796,938.11 is: 9,380,799.86
Step by Step Solution
- Step 1: Write the proportion equation
11,145,329.36 : 15,382,235.70 = 6,796,938.11 : x - Step 2: Convert to fraction form
11,145,329.36/15,382,235.70 = 6,796,938.11/x - Step 3: Cross multiply
11,145,329.36x = 15,382,235.70 × 6,796,938.11 - Step 4: Simplify right side
11,145,329.36x = 104,552,104,084,788.11 - Step 5: Solve for x
x = 104,552,104,084,788.11/11,145,329.36 - Step 6: Final answer
x = 9,380,799.86
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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.