Finding the Fourth Proportional to 7,086,851.28, 10,631,966.40 and 2,294,541.96
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Solution
The fourth proportional to 7,086,851.28, 10,631,966.40 and 2,294,541.96 is: 3,442,359.95
Step by Step Solution
- Step 1: Write the proportion equation
7,086,851.28 : 10,631,966.40 = 2,294,541.96 : x - Step 2: Convert to fraction form
7,086,851.28/10,631,966.40 = 2,294,541.96/x - Step 3: Cross multiply
7,086,851.28x = 10,631,966.40 × 2,294,541.96 - Step 4: Simplify right side
7,086,851.28x = 24,395,493,022,110.14 - Step 5: Solve for x
x = 24,395,493,022,110.14/7,086,851.28 - Step 6: Final answer
x = 3,442,359.95
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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.