Finding the Fourth Proportional to 8,146,411.92, 11,240,798.76 and 4,707,988.92
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Solution
The fourth proportional to 8,146,411.92, 11,240,798.76 and 4,707,988.92 is: 6,496,302.49
Step by Step Solution
- Step 1: Write the proportion equation
8,146,411.92 : 11,240,798.76 = 4,707,988.92 : x - Step 2: Convert to fraction form
8,146,411.92/11,240,798.76 = 4,707,988.92/x - Step 3: Cross multiply
8,146,411.92x = 11,240,798.76 × 4,707,988.92 - Step 4: Simplify right side
8,146,411.92x = 52,921,556,014,029.73 - Step 5: Solve for x
x = 52,921,556,014,029.73/8,146,411.92 - Step 6: Final answer
x = 6,496,302.49
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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.