Finding the Fourth Proportional to 23,308,772.70, 32,164,601.67 and 12,994,880.70
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Solution
The fourth proportional to 23,308,772.70, 32,164,601.67 and 12,994,880.70 is: 17,932,096.50
Step by Step Solution
- Step 1: Write the proportion equation
23,308,772.70 : 32,164,601.67 = 12,994,880.70 : x - Step 2: Convert to fraction form
23,308,772.70/32,164,601.67 = 12,994,880.70/x - Step 3: Cross multiply
23,308,772.70x = 32,164,601.67 × 12,994,880.70 - Step 4: Simplify right side
23,308,772.70x = 417,975,161,464,670.75 - Step 5: Solve for x
x = 417,975,161,464,670.75/23,308,772.70 - Step 6: Final answer
x = 17,932,096.50
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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.