Finding the Fourth Proportional to 11,173,837.76, 15,419,398.92 and 6,528,053.60
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Solution
The fourth proportional to 11,173,837.76, 15,419,398.92 and 6,528,053.60 is: 9,008,423.50
Step by Step Solution
- Step 1: Write the proportion equation
11,173,837.76 : 15,419,398.92 = 6,528,053.60 : x - Step 2: Convert to fraction form
11,173,837.76/15,419,398.92 = 6,528,053.60/x - Step 3: Cross multiply
11,173,837.76x = 15,419,398.92 × 6,528,053.60 - Step 4: Simplify right side
11,173,837.76x = 100,658,662,629,542.11 - Step 5: Solve for x
x = 100,658,662,629,542.11/11,173,837.76 - Step 6: Final answer
x = 9,008,423.50
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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.