Finding the Fourth Proportional to 32,787,910.40, 49,190,467.20 and 12,593,811.20
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Solution
The fourth proportional to 32,787,910.40, 49,190,467.20 and 12,593,811.20 is: 18,894,020.67
Step by Step Solution
- Step 1: Write the proportion equation
32,787,910.40 : 49,190,467.20 = 12,593,811.20 : x - Step 2: Convert to fraction form
32,787,910.40/49,190,467.20 = 12,593,811.20/x - Step 3: Cross multiply
32,787,910.40x = 49,190,467.20 × 12,593,811.20 - Step 4: Simplify right side
32,787,910.40x = 619,495,456,756,592.62 - Step 5: Solve for x
x = 619,495,456,756,592.62/32,787,910.40 - Step 6: Final answer
x = 18,894,020.67
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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.