Finding the Fourth Proportional to 8,951,138.70, 13,426,708.05 and 3,275,436.30
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Solution
The fourth proportional to 8,951,138.70, 13,426,708.05 and 3,275,436.30 is: 4,913,154.45
Step by Step Solution
- Step 1: Write the proportion equation
8,951,138.70 : 13,426,708.05 = 3,275,436.30 : x - Step 2: Convert to fraction form
8,951,138.70/13,426,708.05 = 3,275,436.30/x - Step 3: Cross multiply
8,951,138.70x = 13,426,708.05 × 3,275,436.30 - Step 4: Simplify right side
8,951,138.70x = 43,978,326,936,472.22 - Step 5: Solve for x
x = 43,978,326,936,472.22/8,951,138.70 - Step 6: Final answer
x = 4,913,154.45
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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.