Finding the Fourth Proportional to 11,351,053.06, 15,637,837.53 and 7,907,062.66
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Solution
The fourth proportional to 11,351,053.06, 15,637,837.53 and 7,907,062.66 is: 10,893,206.17
Step by Step Solution
- Step 1: Write the proportion equation
11,351,053.06 : 15,637,837.53 = 7,907,062.66 : x - Step 2: Convert to fraction form
11,351,053.06/15,637,837.53 = 7,907,062.66/x - Step 3: Cross multiply
11,351,053.06x = 15,637,837.53 × 7,907,062.66 - Step 4: Simplify right side
11,351,053.06x = 123,649,361,216,609.62 - Step 5: Solve for x
x = 123,649,361,216,609.62/11,351,053.06 - Step 6: Final answer
x = 10,893,206.17
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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.