Finding the Fourth Proportional to 32,367,515.20, 48,551,272.80 and 13,187,816.80
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Solution
The fourth proportional to 32,367,515.20, 48,551,272.80 and 13,187,816.80 is: 19,781,725.20
Step by Step Solution
- Step 1: Write the proportion equation
32,367,515.20 : 48,551,272.80 = 13,187,816.80 : x - Step 2: Convert to fraction form
32,367,515.20/48,551,272.80 = 13,187,816.80/x - Step 3: Cross multiply
32,367,515.20x = 48,551,272.80 × 13,187,816.80 - Step 4: Simplify right side
32,367,515.20x = 640,285,291,093,223 - Step 5: Solve for x
x = 640,285,291,093,223/32,367,515.20 - Step 6: Final answer
x = 19,781,725.20
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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.