Finding the Fourth Proportional to 7,937,372.54, 11,903,201.69 and 2,748,576.98
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Solution
The fourth proportional to 7,937,372.54, 11,903,201.69 and 2,748,576.98 is: 4,121,876.09
Step by Step Solution
- Step 1: Write the proportion equation
7,937,372.54 : 11,903,201.69 = 2,748,576.98 : x - Step 2: Convert to fraction form
7,937,372.54/11,903,201.69 = 2,748,576.98/x - Step 3: Cross multiply
7,937,372.54x = 11,903,201.69 × 2,748,576.98 - Step 4: Simplify right side
7,937,372.54x = 32,716,866,080,172.21 - Step 5: Solve for x
x = 32,716,866,080,172.21/7,937,372.54 - Step 6: Final answer
x = 4,121,876.09
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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.