Finding the Fourth Proportional to 45,518,640.48, 62,820,591.84 and 27,889,242.64
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Solution
The fourth proportional to 45,518,640.48, 62,820,591.84 and 27,889,242.64 is: 38,490,137.45
Step by Step Solution
- Step 1: Write the proportion equation
45,518,640.48 : 62,820,591.84 = 27,889,242.64 : x - Step 2: Convert to fraction form
45,518,640.48/62,820,591.84 = 27,889,242.64/x - Step 3: Cross multiply
45,518,640.48x = 62,820,591.84 × 27,889,242.64 - Step 4: Simplify right side
45,518,640.48x = 1,752,018,728,614,164.25 - Step 5: Solve for x
x = 1,752,018,728,614,164.25/45,518,640.48 - Step 6: Final answer
x = 38,490,137.45
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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.