Finding the Fourth Proportional to 7,244,890.09, 9,998,188.01 and 3,981,820.48
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Solution
The fourth proportional to 7,244,890.09, 9,998,188.01 and 3,981,820.48 is: 5,495,043.99
Step by Step Solution
- Step 1: Write the proportion equation
7,244,890.09 : 9,998,188.01 = 3,981,820.48 : x - Step 2: Convert to fraction form
7,244,890.09/9,998,188.01 = 3,981,820.48/x - Step 3: Cross multiply
7,244,890.09x = 9,998,188.01 × 3,981,820.48 - Step 4: Simplify right side
7,244,890.09x = 39,810,989,781,108.45 - Step 5: Solve for x
x = 39,810,989,781,108.45/7,244,890.09 - Step 6: Final answer
x = 5,495,043.99
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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.