Finding the Fourth Proportional to 49,728,373.75, 68,627,272.16 and 27,701,846.51
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Solution
The fourth proportional to 49,728,373.75, 68,627,272.16 and 27,701,846.51 is: 38,229,727.15
Step by Step Solution
- Step 1: Write the proportion equation
49,728,373.75 : 68,627,272.16 = 27,701,846.51 : x - Step 2: Convert to fraction form
49,728,373.75/68,627,272.16 = 27,701,846.51/x - Step 3: Cross multiply
49,728,373.75x = 68,627,272.16 × 27,701,846.51 - Step 4: Simplify right side
49,728,373.75x = 1,901,102,159,637,807 - Step 5: Solve for x
x = 1,901,102,159,637,807/49,728,373.75 - Step 6: Final answer
x = 38,229,727.15
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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.