Finding the Fourth Proportional to 7,444,828.80, 11,167,243.20 and 5,555,260.80
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Solution
The fourth proportional to 7,444,828.80, 11,167,243.20 and 5,555,260.80 is: 8,332,891.20
Step by Step Solution
- Step 1: Write the proportion equation
7,444,828.80 : 11,167,243.20 = 5,555,260.80 : x - Step 2: Convert to fraction form
7,444,828.80/11,167,243.20 = 5,555,260.80/x - Step 3: Cross multiply
7,444,828.80x = 11,167,243.20 × 5,555,260.80 - Step 4: Simplify right side
7,444,828.80x = 62,036,948,393,026.55 - Step 5: Solve for x
x = 62,036,948,393,026.55/7,444,828.80 - Step 6: Final answer
x = 8,332,891.20
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1.5x scale
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.