Finding the Fourth Proportional to 10,634,586.70, 15,951,880.05 and 6,372,561.10
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Solution
The fourth proportional to 10,634,586.70, 15,951,880.05 and 6,372,561.10 is: 9,558,841.65
Step by Step Solution
- Step 1: Write the proportion equation
10,634,586.70 : 15,951,880.05 = 6,372,561.10 : x - Step 2: Convert to fraction form
10,634,586.70/15,951,880.05 = 6,372,561.10/x - Step 3: Cross multiply
10,634,586.70x = 15,951,880.05 × 6,372,561.10 - Step 4: Simplify right side
10,634,586.70x = 101,654,330,278,496.05 - Step 5: Solve for x
x = 101,654,330,278,496.05/10,634,586.70 - Step 6: Final answer
x = 9,558,841.65
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Double scale
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.