Finding the Fourth Proportional to 11,160,261.95, 15,400,097.60 and 6,264,361.94
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Solution
The fourth proportional to 11,160,261.95, 15,400,097.60 and 6,264,361.94 is: 8,644,222.30
Step by Step Solution
- Step 1: Write the proportion equation
11,160,261.95 : 15,400,097.60 = 6,264,361.94 : x - Step 2: Convert to fraction form
11,160,261.95/15,400,097.60 = 6,264,361.94/x - Step 3: Cross multiply
11,160,261.95x = 15,400,097.60 × 6,264,361.94 - Step 4: Simplify right side
11,160,261.95x = 96,471,785,169,403.05 - Step 5: Solve for x
x = 96,471,785,169,403.05/11,160,261.95 - Step 6: Final answer
x = 8,644,222.30
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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.