Finding the Fourth Proportional to 43,491,960.47, 60,019,142.67 and 25,610,960.99
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Solution
The fourth proportional to 43,491,960.47, 60,019,142.67 and 25,610,960.99 is: 35,343,265.86
Step by Step Solution
- Step 1: Write the proportion equation
43,491,960.47 : 60,019,142.67 = 25,610,960.99 : x - Step 2: Convert to fraction form
43,491,960.47/60,019,142.67 = 25,610,960.99/x - Step 3: Cross multiply
43,491,960.47x = 60,019,142.67 × 25,610,960.99 - Step 4: Simplify right side
43,491,960.47x = 1,537,147,921,274,518.75 - Step 5: Solve for x
x = 1,537,147,921,274,518.75/43,491,960.47 - Step 6: Final answer
x = 35,343,265.86
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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.