Finding the Fourth Proportional to 11,066,176.97, 15,266,112.22 and 7,197,286.49
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Solution
The fourth proportional to 11,066,176.97, 15,266,112.22 and 7,197,286.49 is: 9,928,865.55
Step by Step Solution
- Step 1: Write the proportion equation
11,066,176.97 : 15,266,112.22 = 7,197,286.49 : x - Step 2: Convert to fraction form
11,066,176.97/15,266,112.22 = 7,197,286.49/x - Step 3: Cross multiply
11,066,176.97x = 15,266,112.22 × 7,197,286.49 - Step 4: Simplify right side
11,066,176.97x = 109,874,583,235,829.92 - Step 5: Solve for x
x = 109,874,583,235,829.92/11,066,176.97 - Step 6: Final answer
x = 9,928,865.55
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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.