Finding the Fourth Proportional to 32,928,129.75, 45,440,819.06 and 18,441,441.75
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Solution
The fourth proportional to 32,928,129.75, 45,440,819.06 and 18,441,441.75 is: 25,449,189.62
Step by Step Solution
- Step 1: Write the proportion equation
32,928,129.75 : 45,440,819.06 = 18,441,441.75 : x - Step 2: Convert to fraction form
32,928,129.75/45,440,819.06 = 18,441,441.75/x - Step 3: Cross multiply
32,928,129.75x = 45,440,819.06 × 18,441,441.75 - Step 4: Simplify right side
32,928,129.75x = 837,994,217,675,072.50 - Step 5: Solve for x
x = 837,994,217,675,072.50/32,928,129.75 - Step 6: Final answer
x = 25,449,189.62
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1.5x scale
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.