Finding the Fourth Proportional to 34,935,898.50, 48,211,731.09 and 20,260,265.94
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Solution
The fourth proportional to 34,935,898.50, 48,211,731.09 and 20,260,265.94 is: 27,959,277.86
Step by Step Solution
- Step 1: Write the proportion equation
34,935,898.50 : 48,211,731.09 = 20,260,265.94 : x - Step 2: Convert to fraction form
34,935,898.50/48,211,731.09 = 20,260,265.94/x - Step 3: Cross multiply
34,935,898.50x = 48,211,731.09 × 20,260,265.94 - Step 4: Simplify right side
34,935,898.50x = 976,782,493,311,166.25 - Step 5: Solve for x
x = 976,782,493,311,166.25/34,935,898.50 - Step 6: Final answer
x = 27,959,277.86
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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.