Finding the Fourth Proportional to 11,338,696.53, 15,642,481.73 and 7,206,517.17
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Solution
The fourth proportional to 11,338,696.53, 15,642,481.73 and 7,206,517.17 is: 9,941,867.02
Step by Step Solution
- Step 1: Write the proportion equation
11,338,696.53 : 15,642,481.73 = 7,206,517.17 : x - Step 2: Convert to fraction form
11,338,696.53/15,642,481.73 = 7,206,517.17/x - Step 3: Cross multiply
11,338,696.53x = 15,642,481.73 × 7,206,517.17 - Step 4: Simplify right side
11,338,696.53x = 112,727,813,132,623.72 - Step 5: Solve for x
x = 112,727,813,132,623.72/11,338,696.53 - Step 6: Final answer
x = 9,941,867.02
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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.