Finding the Fourth Proportional to 27,081,198.06, 40,340,330.18 and 25,614,391.74
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Solution
The fourth proportional to 27,081,198.06, 40,340,330.18 and 25,614,391.74 is: 38,155,365.86
Step by Step Solution
- Step 1: Write the proportion equation
27,081,198.06 : 40,340,330.18 = 25,614,391.74 : x - Step 2: Convert to fraction form
27,081,198.06/40,340,330.18 = 25,614,391.74/x - Step 3: Cross multiply
27,081,198.06x = 40,340,330.18 × 25,614,391.74 - Step 4: Simplify right side
27,081,198.06x = 1,033,293,020,023,392.62 - Step 5: Solve for x
x = 1,033,293,020,023,392.62/27,081,198.06 - Step 6: Final answer
x = 38,155,365.86
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.