Finding the Fourth Proportional to 8,615,121.94, 11,888,870.75 and 4,694,879.14
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Solution
The fourth proportional to 8,615,121.94, 11,888,870.75 and 4,694,879.14 is: 6,478,934.56
Step by Step Solution
- Step 1: Write the proportion equation
8,615,121.94 : 11,888,870.75 = 4,694,879.14 : x - Step 2: Convert to fraction form
8,615,121.94/11,888,870.75 = 4,694,879.14/x - Step 3: Cross multiply
8,615,121.94x = 11,888,870.75 × 4,694,879.14 - Step 4: Simplify right side
8,615,121.94x = 55,816,811,280,177.83 - Step 5: Solve for x
x = 55,816,811,280,177.83/8,615,121.94 - Step 6: Final answer
x = 6,478,934.56
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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.