Finding the Fourth Proportional to 16,553,636.40, 24,831,232.20 and 5,194,455.60
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Solution
The fourth proportional to 16,553,636.40, 24,831,232.20 and 5,194,455.60 is: 7,791,927.41
Step by Step Solution
- Step 1: Write the proportion equation
16,553,636.40 : 24,831,232.20 = 5,194,455.60 : x - Step 2: Convert to fraction form
16,553,636.40/24,831,232.20 = 5,194,455.60/x - Step 3: Cross multiply
16,553,636.40x = 24,831,232.20 × 5,194,455.60 - Step 4: Simplify right side
16,553,636.40x = 128,984,733,156,190.31 - Step 5: Solve for x
x = 128,984,733,156,190.31/16,553,636.40 - Step 6: Final answer
x = 7,791,927.41
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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.