Finding the Fourth Proportional to 8,555,165.48, 12,828,478.26 and 2,797,149.08
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Solution
The fourth proportional to 8,555,165.48, 12,828,478.26 and 2,797,149.08 is: 4,194,327.54
Step by Step Solution
- Step 1: Write the proportion equation
8,555,165.48 : 12,828,478.26 = 2,797,149.08 : x - Step 2: Convert to fraction form
8,555,165.48/12,828,478.26 = 2,797,149.08/x - Step 3: Cross multiply
8,555,165.48x = 12,828,478.26 × 2,797,149.08 - Step 4: Simplify right side
8,555,165.48x = 35,883,166,162,759 - Step 5: Solve for x
x = 35,883,166,162,759/8,555,165.48 - Step 6: Final answer
x = 4,194,327.54
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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.