Finding the Fourth Proportional to 8,923,596.32, 12,310,029.50 and 5,827,930.97
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Solution
The fourth proportional to 8,923,596.32, 12,310,029.50 and 5,827,930.97 is: 8,039,583.98
Step by Step Solution
- Step 1: Write the proportion equation
8,923,596.32 : 12,310,029.50 = 5,827,930.97 : x - Step 2: Convert to fraction form
8,923,596.32/12,310,029.50 = 5,827,930.97/x - Step 3: Cross multiply
8,923,596.32x = 12,310,029.50 × 5,827,930.97 - Step 4: Simplify right side
8,923,596.32x = 71,742,002,073,973.81 - Step 5: Solve for x
x = 71,742,002,073,973.81/8,923,596.32 - Step 6: Final answer
x = 8,039,583.98
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1.5x scale
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.