Finding the Fourth Proportional to 32,389,474.40, 48,584,211.60 and 8,454,946.40
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Solution
The fourth proportional to 32,389,474.40, 48,584,211.60 and 8,454,946.40 is: 12,682,419.60
Step by Step Solution
- Step 1: Write the proportion equation
32,389,474.40 : 48,584,211.60 = 8,454,946.40 : x - Step 2: Convert to fraction form
32,389,474.40/48,584,211.60 = 8,454,946.40/x - Step 3: Cross multiply
32,389,474.40x = 48,584,211.60 × 8,454,946.40 - Step 4: Simplify right side
32,389,474.40x = 410,776,904,964,258.25 - Step 5: Solve for x
x = 410,776,904,964,258.25/32,389,474.40 - Step 6: Final answer
x = 12,682,419.60
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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.