Finding the Fourth Proportional to 7,244,892.60, 9,998,191.47 and 3,981,822.99
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Solution
The fourth proportional to 7,244,892.60, 9,998,191.47 and 3,981,822.99 is: 5,495,047.46
Step by Step Solution
- Step 1: Write the proportion equation
7,244,892.60 : 9,998,191.47 = 3,981,822.99 : x - Step 2: Convert to fraction form
7,244,892.60/9,998,191.47 = 3,981,822.99/x - Step 3: Cross multiply
7,244,892.60x = 9,998,191.47 × 3,981,822.99 - Step 4: Simplify right side
7,244,892.60x = 39,811,028,653,667.90 - Step 5: Solve for x
x = 39,811,028,653,667.90/7,244,892.60 - Step 6: Final answer
x = 5,495,047.46
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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.