Finding the Fourth Proportional to 11,125,791.06, 15,351,837.90 and 6,480,340.62
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Solution
The fourth proportional to 11,125,791.06, 15,351,837.90 and 6,480,340.62 is: 8,941,848.56
Step by Step Solution
- Step 1: Write the proportion equation
11,125,791.06 : 15,351,837.90 = 6,480,340.62 : x - Step 2: Convert to fraction form
11,125,791.06/15,351,837.90 = 6,480,340.62/x - Step 3: Cross multiply
11,125,791.06x = 15,351,837.90 × 6,480,340.62 - Step 4: Simplify right side
11,125,791.06x = 99,485,138,735,025.50 - Step 5: Solve for x
x = 99,485,138,735,025.50/11,125,791.06 - Step 6: Final answer
x = 8,941,848.56
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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.