Finding the Fourth Proportional to 29,672,536.28, 44,432,150.42 and 20,478,877.62
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Solution
The fourth proportional to 29,672,536.28, 44,432,150.42 and 20,478,877.62 is: 30,665,412.70
Step by Step Solution
- Step 1: Write the proportion equation
29,672,536.28 : 44,432,150.42 = 20,478,877.62 : x - Step 2: Convert to fraction form
29,672,536.28/44,432,150.42 = 20,478,877.62/x - Step 3: Cross multiply
29,672,536.28x = 44,432,150.42 × 20,478,877.62 - Step 4: Simplify right side
29,672,536.28x = 909,920,570,988,913 - Step 5: Solve for x
x = 909,920,570,988,913/29,672,536.28 - Step 6: Final answer
x = 30,665,412.70
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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.