Finding the Fourth Proportional to 29,680,346.16, 40,958,786.34 and 16,450,366.68
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Solution
The fourth proportional to 29,680,346.16, 40,958,786.34 and 16,450,366.68 is: 22,701,455.38
Step by Step Solution
- Step 1: Write the proportion equation
29,680,346.16 : 40,958,786.34 = 16,450,366.68 : x - Step 2: Convert to fraction form
29,680,346.16/40,958,786.34 = 16,450,366.68/x - Step 3: Cross multiply
29,680,346.16x = 40,958,786.34 × 16,450,366.68 - Step 4: Simplify right side
29,680,346.16x = 673,787,054,060,775.25 - Step 5: Solve for x
x = 673,787,054,060,775.25/29,680,346.16 - Step 6: Final answer
x = 22,701,455.38
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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.