Finding the Fourth Proportional to 36,189,713.34, 49,942,309.59 and 19,669,832.70
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Solution
The fourth proportional to 36,189,713.34, 49,942,309.59 and 19,669,832.70 is: 27,144,643.70
Step by Step Solution
- Step 1: Write the proportion equation
36,189,713.34 : 49,942,309.59 = 19,669,832.70 : x - Step 2: Convert to fraction form
36,189,713.34/49,942,309.59 = 19,669,832.70/x - Step 3: Cross multiply
36,189,713.34x = 49,942,309.59 × 19,669,832.70 - Step 4: Simplify right side
36,189,713.34x = 982,356,874,286,905.62 - Step 5: Solve for x
x = 982,356,874,286,905.62/36,189,713.34 - Step 6: Final answer
x = 27,144,643.70
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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.