Finding the Fourth Proportional to 8,449,456.51, 11,660,253.09 and 4,581,976.65
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Solution
The fourth proportional to 8,449,456.51, 11,660,253.09 and 4,581,976.65 is: 6,323,129.46
Step by Step Solution
- Step 1: Write the proportion equation
8,449,456.51 : 11,660,253.09 = 4,581,976.65 : x - Step 2: Convert to fraction form
8,449,456.51/11,660,253.09 = 4,581,976.65/x - Step 3: Cross multiply
8,449,456.51x = 11,660,253.09 × 4,581,976.65 - Step 4: Simplify right side
8,449,456.51x = 53,427,007,391,470.35 - Step 5: Solve for x
x = 53,427,007,391,470.35/8,449,456.51 - Step 6: Final answer
x = 6,323,129.46
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.