Finding the Fourth Proportional to 39,631,353.40, 59,391,042.90 and 29,315,711.80
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Solution
The fourth proportional to 39,631,353.40, 59,391,042.90 and 29,315,711.80 is: 43,932,153.40
Step by Step Solution
- Step 1: Write the proportion equation
39,631,353.40 : 59,391,042.90 = 29,315,711.80 : x - Step 2: Convert to fraction form
39,631,353.40/59,391,042.90 = 29,315,711.80/x - Step 3: Cross multiply
39,631,353.40x = 59,391,042.90 × 29,315,711.80 - Step 4: Simplify right side
39,631,353.40x = 1,741,090,697,157,836.25 - Step 5: Solve for x
x = 1,741,090,697,157,836.25/39,631,353.40 - Step 6: Final answer
x = 43,932,153.40
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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.