Finding the Fourth Proportional to 29,469,924.02, 40,373,939.97 and 28,365,397.99
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Solution
The fourth proportional to 29,469,924.02, 40,373,939.97 and 28,365,397.99 is: 38,860,733.91
Step by Step Solution
- Step 1: Write the proportion equation
29,469,924.02 : 40,373,939.97 = 28,365,397.99 : x - Step 2: Convert to fraction form
29,469,924.02/40,373,939.97 = 28,365,397.99/x - Step 3: Cross multiply
29,469,924.02x = 40,373,939.97 × 28,365,397.99 - Step 4: Simplify right side
29,469,924.02x = 1,145,222,875,651,502.25 - Step 5: Solve for x
x = 1,145,222,875,651,502.25/29,469,924.02 - Step 6: Final answer
x = 38,860,733.91
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.