Finding the Fourth Proportional to 9,352,778.40, 14,026,251.60 and 3,674,743.20
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Solution
The fourth proportional to 9,352,778.40, 14,026,251.60 and 3,674,743.20 is: 5,510,969.09
Step by Step Solution
- Step 1: Write the proportion equation
9,352,778.40 : 14,026,251.60 = 3,674,743.20 : x - Step 2: Convert to fraction form
9,352,778.40/14,026,251.60 = 3,674,743.20/x - Step 3: Cross multiply
9,352,778.40x = 14,026,251.60 × 3,674,743.20 - Step 4: Simplify right side
9,352,778.40x = 51,542,872,688,589.12 - Step 5: Solve for x
x = 51,542,872,688,589.12/9,352,778.40 - Step 6: Final answer
x = 5,510,969.09
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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.