Finding the Fourth Proportional to 49,578,309.18, 68,419,728.15 and 27,552,736.94
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Solution
The fourth proportional to 49,578,309.18, 68,419,728.15 and 27,552,736.94 is: 38,023,700.33
Step by Step Solution
- Step 1: Write the proportion equation
49,578,309.18 : 68,419,728.15 = 27,552,736.94 : x - Step 2: Convert to fraction form
49,578,309.18/68,419,728.15 = 27,552,736.94/x - Step 3: Cross multiply
49,578,309.18x = 68,419,728.15 × 27,552,736.94 - Step 4: Simplify right side
49,578,309.18x = 1,885,150,770,881,164.25 - Step 5: Solve for x
x = 1,885,150,770,881,164.25/49,578,309.18 - Step 6: Final answer
x = 38,023,700.33
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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.