Finding the Fourth Proportional to 29,814,723.40, 41,143,365.30 and 16,762,534.60
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Solution
The fourth proportional to 29,814,723.40, 41,143,365.30 and 16,762,534.60 is: 23,131,761.95
Step by Step Solution
- Step 1: Write the proportion equation
29,814,723.40 : 41,143,365.30 = 16,762,534.60 : x - Step 2: Convert to fraction form
29,814,723.40/41,143,365.30 = 16,762,534.60/x - Step 3: Cross multiply
29,814,723.40x = 41,143,365.30 × 16,762,534.60 - Step 4: Simplify right side
29,814,723.40x = 689,667,084,401,689.38 - Step 5: Solve for x
x = 689,667,084,401,689.38/29,814,723.40 - Step 6: Final answer
x = 23,131,761.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.