Finding the Fourth Proportional to 32,361,648.10, 48,542,472.15 and 19,662,921.70
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Solution
The fourth proportional to 32,361,648.10, 48,542,472.15 and 19,662,921.70 is: 29,494,382.55
Step by Step Solution
- Step 1: Write the proportion equation
32,361,648.10 : 48,542,472.15 = 19,662,921.70 : x - Step 2: Convert to fraction form
32,361,648.10/48,542,472.15 = 19,662,921.70/x - Step 3: Cross multiply
32,361,648.10x = 48,542,472.15 × 19,662,921.70 - Step 4: Simplify right side
32,361,648.10x = 954,486,829,009,880.62 - Step 5: Solve for x
x = 954,486,829,009,880.62/32,361,648.10 - Step 6: Final answer
x = 29,494,382.55
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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.