Finding the Fourth Proportional to 32,345,772.80, 48,518,659.20 and 8,411,244.80
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Solution
The fourth proportional to 32,345,772.80, 48,518,659.20 and 8,411,244.80 is: 12,616,867.20
Step by Step Solution
- Step 1: Write the proportion equation
32,345,772.80 : 48,518,659.20 = 8,411,244.80 : x - Step 2: Convert to fraction form
32,345,772.80/48,518,659.20 = 8,411,244.80/x - Step 3: Cross multiply
32,345,772.80x = 48,518,659.20 × 8,411,244.80 - Step 4: Simplify right side
32,345,772.80x = 408,102,319,898,972.25 - Step 5: Solve for x
x = 408,102,319,898,972.25/32,345,772.80 - Step 6: Final answer
x = 12,616,867.20
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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.