Finding the Fourth Proportional to 11,941,394.60, 16,479,128.98 and 6,784,762.92
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Solution
The fourth proportional to 11,941,394.60, 16,479,128.98 and 6,784,762.92 is: 9,362,975.35
Step by Step Solution
- Step 1: Write the proportion equation
11,941,394.60 : 16,479,128.98 = 6,784,762.92 : x - Step 2: Convert to fraction form
11,941,394.60/16,479,128.98 = 6,784,762.92/x - Step 3: Cross multiply
11,941,394.60x = 16,479,128.98 × 6,784,762.92 - Step 4: Simplify right side
11,941,394.60x = 111,806,983,257,401.42 - Step 5: Solve for x
x = 111,806,983,257,401.42/11,941,394.60 - Step 6: Final answer
x = 9,362,975.35
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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.