Finding the Fourth Proportional to 41,490,902.80, 62,236,354.20 and 19,967,542.30
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Solution
The fourth proportional to 41,490,902.80, 62,236,354.20 and 19,967,542.30 is: 29,951,313.45
Step by Step Solution
- Step 1: Write the proportion equation
41,490,902.80 : 62,236,354.20 = 19,967,542.30 : x - Step 2: Convert to fraction form
41,490,902.80/62,236,354.20 = 19,967,542.30/x - Step 3: Cross multiply
41,490,902.80x = 62,236,354.20 × 19,967,542.30 - Step 4: Simplify right side
41,490,902.80x = 1,242,707,035,086,282.75 - Step 5: Solve for x
x = 1,242,707,035,086,282.75/41,490,902.80 - Step 6: Final answer
x = 29,951,313.45
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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.