Finding the Fourth Proportional to 32,440,502.40, 48,660,753.60 and 31,005,611.70
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Solution
The fourth proportional to 32,440,502.40, 48,660,753.60 and 31,005,611.70 is: 46,508,417.55
Step by Step Solution
- Step 1: Write the proportion equation
32,440,502.40 : 48,660,753.60 = 31,005,611.70 : x - Step 2: Convert to fraction form
32,440,502.40/48,660,753.60 = 31,005,611.70/x - Step 3: Cross multiply
32,440,502.40x = 48,660,753.60 × 31,005,611.70 - Step 4: Simplify right side
32,440,502.40x = 1,508,756,431,150,977.25 - Step 5: Solve for x
x = 1,508,756,431,150,977.25/32,440,502.40 - Step 6: Final answer
x = 46,508,417.55
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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.