Finding the Fourth Proportional to 10,361,623.70, 15,542,435.55 and 3,630,037.70
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Solution
The fourth proportional to 10,361,623.70, 15,542,435.55 and 3,630,037.70 is: 5,445,056.55
Step by Step Solution
- Step 1: Write the proportion equation
10,361,623.70 : 15,542,435.55 = 3,630,037.70 : x - Step 2: Convert to fraction form
10,361,623.70/15,542,435.55 = 3,630,037.70/x - Step 3: Cross multiply
10,361,623.70x = 15,542,435.55 × 3,630,037.70 - Step 4: Simplify right side
10,361,623.70x = 56,419,626,996,320.24 - Step 5: Solve for x
x = 56,419,626,996,320.24/10,361,623.70 - Step 6: Final answer
x = 5,445,056.55
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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.