Finding the Fourth Proportional to 16,553,631.40, 24,831,224.70 and 5,194,450.60
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Solution
The fourth proportional to 16,553,631.40, 24,831,224.70 and 5,194,450.60 is: 7,791,919.91
Step by Step Solution
- Step 1: Write the proportion equation
16,553,631.40 : 24,831,224.70 = 5,194,450.60 : x - Step 2: Convert to fraction form
16,553,631.40/24,831,224.70 = 5,194,450.60/x - Step 3: Cross multiply
16,553,631.40x = 24,831,224.70 × 5,194,450.60 - Step 4: Simplify right side
16,553,631.40x = 128,984,570,041,649.81 - Step 5: Solve for x
x = 128,984,570,041,649.81/16,553,631.40 - Step 6: Final answer
x = 7,791,919.91
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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.