Finding the Fourth Proportional to 10,263,358.76, 14,163,472.62 and 5,553,754.28
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Solution
The fourth proportional to 10,263,358.76, 14,163,472.62 and 5,553,754.28 is: 7,664,201.21
Step by Step Solution
- Step 1: Write the proportion equation
10,263,358.76 : 14,163,472.62 = 5,553,754.28 : x - Step 2: Convert to fraction form
10,263,358.76/14,163,472.62 = 5,553,754.28/x - Step 3: Cross multiply
10,263,358.76x = 14,163,472.62 × 5,553,754.28 - Step 4: Simplify right side
10,263,358.76x = 78,660,446,644,456.89 - Step 5: Solve for x
x = 78,660,446,644,456.89/10,263,358.76 - Step 6: Final answer
x = 7,664,201.21
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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.