Finding the Fourth Proportional to 7,148,044.17, 9,865,735.73 and 4,246,876.62
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Solution
The fourth proportional to 7,148,044.17, 9,865,735.73 and 4,246,876.62 is: 5,861,542.18
Step by Step Solution
- Step 1: Write the proportion equation
7,148,044.17 : 9,865,735.73 = 4,246,876.62 : x - Step 2: Convert to fraction form
7,148,044.17/9,865,735.73 = 4,246,876.62/x - Step 3: Cross multiply
7,148,044.17x = 9,865,735.73 × 4,246,876.62 - Step 4: Simplify right side
7,148,044.17x = 41,898,562,410,835.63 - Step 5: Solve for x
x = 41,898,562,410,835.63/7,148,044.17 - Step 6: Final answer
x = 5,861,542.18
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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.