Finding the Fourth Proportional to 11,171,708.93, 15,418,249.95 and 6,526,655.12
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Solution
The fourth proportional to 11,171,708.93, 15,418,249.95 and 6,526,655.12 is: 9,007,538.65
Step by Step Solution
- Step 1: Write the proportion equation
11,171,708.93 : 15,418,249.95 = 6,526,655.12 : x - Step 2: Convert to fraction form
11,171,708.93/15,418,249.95 = 6,526,655.12/x - Step 3: Cross multiply
11,171,708.93x = 15,418,249.95 × 6,526,655.12 - Step 4: Simplify right side
11,171,708.93x = 100,629,600,003,915.38 - Step 5: Solve for x
x = 100,629,600,003,915.38/11,171,708.93 - Step 6: Final answer
x = 9,007,538.65
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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.