Finding the Fourth Proportional to 10,847,542.68, 14,969,792.61 and 5,953,220.15
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Solution
The fourth proportional to 10,847,542.68, 14,969,792.61 and 5,953,220.15 is: 8,215,544.62
Step by Step Solution
- Step 1: Write the proportion equation
10,847,542.68 : 14,969,792.61 = 5,953,220.15 : x - Step 2: Convert to fraction form
10,847,542.68/14,969,792.61 = 5,953,220.15/x - Step 3: Cross multiply
10,847,542.68x = 14,969,792.61 × 5,953,220.15 - Step 4: Simplify right side
10,847,542.68x = 89,118,470,932,324.12 - Step 5: Solve for x
x = 89,118,470,932,324.12/10,847,542.68 - Step 6: Final answer
x = 8,215,544.62
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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.