Finding the Fourth Proportional to 6,740,105.20, 10,110,157.80 and 4,472,623.60
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Solution
The fourth proportional to 6,740,105.20, 10,110,157.80 and 4,472,623.60 is: 6,708,935.40
Step by Step Solution
- Step 1: Write the proportion equation
6,740,105.20 : 10,110,157.80 = 4,472,623.60 : x - Step 2: Convert to fraction form
6,740,105.20/10,110,157.80 = 4,472,623.60/x - Step 3: Cross multiply
6,740,105.20x = 10,110,157.80 × 4,472,623.60 - Step 4: Simplify right side
6,740,105.20x = 45,218,930,376,004.08 - Step 5: Solve for x
x = 45,218,930,376,004.08/6,740,105.20 - Step 6: Final answer
x = 6,708,935.40
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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.