Finding the Fourth Proportional to 11,512,889.28, 15,889,180.38 and 6,552,536.66
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Solution
The fourth proportional to 11,512,889.28, 15,889,180.38 and 6,552,536.66 is: 9,043,293.51
Step by Step Solution
- Step 1: Write the proportion equation
11,512,889.28 : 15,889,180.38 = 6,552,536.66 : x - Step 2: Convert to fraction form
11,512,889.28/15,889,180.38 = 6,552,536.66/x - Step 3: Cross multiply
11,512,889.28x = 15,889,180.38 × 6,552,536.66 - Step 4: Simplify right side
11,512,889.28x = 104,114,436,937,302.73 - Step 5: Solve for x
x = 104,114,436,937,302.73/11,512,889.28 - Step 6: Final answer
x = 9,043,293.51
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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.