Finding the Fourth Proportional to 51,229,319.70, 70,696,249.83 and 27,707,882.70
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Solution
The fourth proportional to 51,229,319.70, 70,696,249.83 and 27,707,882.70 is: 38,236,763.81
Step by Step Solution
- Step 1: Write the proportion equation
51,229,319.70 : 70,696,249.83 = 27,707,882.70 : x - Step 2: Convert to fraction form
51,229,319.70/70,696,249.83 = 27,707,882.70/x - Step 3: Cross multiply
51,229,319.70x = 70,696,249.83 × 27,707,882.70 - Step 4: Simplify right side
51,229,319.70x = 1,958,843,397,619,534.75 - Step 5: Solve for x
x = 1,958,843,397,619,534.75/51,229,319.70 - Step 6: Final answer
x = 38,236,763.81
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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.