Finding the Fourth Proportional to 11,428,467.36, 15,766,795.19 and 6,531,062.06
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Solution
The fourth proportional to 11,428,467.36, 15,766,795.19 and 6,531,062.06 is: 9,010,299.87
Step by Step Solution
- Step 1: Write the proportion equation
11,428,467.36 : 15,766,795.19 = 6,531,062.06 : x - Step 2: Convert to fraction form
11,428,467.36/15,766,795.19 = 6,531,062.06/x - Step 3: Cross multiply
11,428,467.36x = 15,766,795.19 × 6,531,062.06 - Step 4: Simplify right side
11,428,467.36x = 102,973,917,928,944.14 - Step 5: Solve for x
x = 102,973,917,928,944.14/11,428,467.36 - Step 6: Final answer
x = 9,010,299.87
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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.