Finding the Fourth Proportional to 32,375,999.60, 48,562,876.20 and 8,115,138.80
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Solution
The fourth proportional to 32,375,999.60, 48,562,876.20 and 8,115,138.80 is: 12,172,426.67
Step by Step Solution
- Step 1: Write the proportion equation
32,375,999.60 : 48,562,876.20 = 8,115,138.80 : x - Step 2: Convert to fraction form
32,375,999.60/48,562,876.20 = 8,115,138.80/x - Step 3: Cross multiply
32,375,999.60x = 48,562,876.20 × 8,115,138.80 - Step 4: Simplify right side
32,375,999.60x = 394,094,480,890,216.56 - Step 5: Solve for x
x = 394,094,480,890,216.56/32,375,999.60 - Step 6: Final answer
x = 12,172,426.67
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.