Finding the Fourth Proportional to 10,738,549.98, 14,819,201.39 and 5,909,653.98
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Solution
The fourth proportional to 10,738,549.98, 14,819,201.39 and 5,909,653.98 is: 8,155,323.82
Step by Step Solution
- Step 1: Write the proportion equation
10,738,549.98 : 14,819,201.39 = 5,909,653.98 : x - Step 2: Convert to fraction form
10,738,549.98/14,819,201.39 = 5,909,653.98/x - Step 3: Cross multiply
10,738,549.98x = 14,819,201.39 × 5,909,653.98 - Step 4: Simplify right side
10,738,549.98x = 87,576,352,445,286.77 - Step 5: Solve for x
x = 87,576,352,445,286.77/10,738,549.98 - Step 6: Final answer
x = 8,155,323.82
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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.