Finding the Fourth Proportional to 11,160,115.68, 15,400,434.78 and 6,198,878.64
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Solution
The fourth proportional to 11,160,115.68, 15,400,434.78 and 6,198,878.64 is: 8,554,160.99
Step by Step Solution
- Step 1: Write the proportion equation
11,160,115.68 : 15,400,434.78 = 6,198,878.64 : x - Step 2: Convert to fraction form
11,160,115.68/15,400,434.78 = 6,198,878.64/x - Step 3: Cross multiply
11,160,115.68x = 15,400,434.78 × 6,198,878.64 - Step 4: Simplify right side
11,160,115.68x = 95,465,426,204,455.09 - Step 5: Solve for x
x = 95,465,426,204,455.09/11,160,115.68 - Step 6: Final answer
x = 8,554,160.99
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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.