Finding the Fourth Proportional to 36,088,685.44, 49,805,025.40 and 20,618,437.92
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Solution
The fourth proportional to 36,088,685.44, 49,805,025.40 and 20,618,437.92 is: 28,454,952.34
Step by Step Solution
- Step 1: Write the proportion equation
36,088,685.44 : 49,805,025.40 = 20,618,437.92 : x - Step 2: Convert to fraction form
36,088,685.44/49,805,025.40 = 20,618,437.92/x - Step 3: Cross multiply
36,088,685.44x = 49,805,025.40 × 20,618,437.92 - Step 4: Simplify right side
36,088,685.44x = 1,026,901,824,313,923.25 - Step 5: Solve for x
x = 1,026,901,824,313,923.25/36,088,685.44 - Step 6: Final answer
x = 28,454,952.34
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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.