Finding the Fourth Proportional to 18,053,937.99, 24,907,896.08 and 11,862,319.45
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Solution
The fourth proportional to 18,053,937.99, 24,907,896.08 and 11,862,319.45 is: 16,365,704.83
Step by Step Solution
- Step 1: Write the proportion equation
18,053,937.99 : 24,907,896.08 = 11,862,319.45 : x - Step 2: Convert to fraction form
18,053,937.99/24,907,896.08 = 11,862,319.45/x - Step 3: Cross multiply
18,053,937.99x = 24,907,896.08 × 11,862,319.45 - Step 4: Simplify right side
18,053,937.99x = 295,465,420,128,362.69 - Step 5: Solve for x
x = 295,465,420,128,362.69/18,053,937.99 - Step 6: Final answer
x = 16,365,704.83
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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.