Finding the Fourth Proportional to 31,493,361.80, 47,240,042.70 and 15,568,113.80
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Solution
The fourth proportional to 31,493,361.80, 47,240,042.70 and 15,568,113.80 is: 23,352,170.70
Step by Step Solution
- Step 1: Write the proportion equation
31,493,361.80 : 47,240,042.70 = 15,568,113.80 : x - Step 2: Convert to fraction form
31,493,361.80/47,240,042.70 = 15,568,113.80/x - Step 3: Cross multiply
31,493,361.80x = 47,240,042.70 × 15,568,113.80 - Step 4: Simplify right side
31,493,361.80x = 735,438,360,670,459.38 - Step 5: Solve for x
x = 735,438,360,670,459.38/31,493,361.80 - Step 6: Final answer
x = 23,352,170.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.