Finding the Fourth Proportional to 49,186,568.99, 67,883,449.78 and 28,560,014.57
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Solution
The fourth proportional to 49,186,568.99, 67,883,449.78 and 28,560,014.57 is: 39,416,295.03
Step by Step Solution
- Step 1: Write the proportion equation
49,186,568.99 : 67,883,449.78 = 28,560,014.57 : x - Step 2: Convert to fraction form
49,186,568.99/67,883,449.78 = 28,560,014.57/x - Step 3: Cross multiply
49,186,568.99x = 67,883,449.78 × 28,560,014.57 - Step 4: Simplify right side
49,186,568.99x = 1,938,752,314,984,072 - Step 5: Solve for x
x = 1,938,752,314,984,072/49,186,568.99 - Step 6: Final answer
x = 39,416,295.03
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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.