Finding the Fourth Proportional to 10,901,520.48, 15,040,768.08 and 6,316,956
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Solution
The fourth proportional to 10,901,520.48, 15,040,768.08 and 6,316,956 is: 8,715,469.58
Step by Step Solution
- Step 1: Write the proportion equation
10,901,520.48 : 15,040,768.08 = 6,316,956 : x - Step 2: Convert to fraction form
10,901,520.48/15,040,768.08 = 6,316,956/x - Step 3: Cross multiply
10,901,520.48x = 15,040,768.08 × 6,316,956 - Step 4: Simplify right side
10,901,520.48x = 95,011,870,167,564.48 - Step 5: Solve for x
x = 95,011,870,167,564.48/10,901,520.48 - Step 6: Final answer
x = 8,715,469.58
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1.5x scale
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.