Finding the Fourth Proportional to 11,945,541.97, 16,486,112.78 and 7,302,045.08
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Solution
The fourth proportional to 11,945,541.97, 16,486,112.78 and 7,302,045.08 is: 10,077,595.39
Step by Step Solution
- Step 1: Write the proportion equation
11,945,541.97 : 16,486,112.78 = 7,302,045.08 : x - Step 2: Convert to fraction form
11,945,541.97/16,486,112.78 = 7,302,045.08/x - Step 3: Cross multiply
11,945,541.97x = 16,486,112.78 × 7,302,045.08 - Step 4: Simplify right side
11,945,541.97x = 120,382,338,713,524.12 - Step 5: Solve for x
x = 120,382,338,713,524.12/11,945,541.97 - Step 6: Final answer
x = 10,077,595.39
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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.