Finding the Fourth Proportional to 8,521,732.06, 11,759,971.46 and 4,654,253.41
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Solution
The fourth proportional to 8,521,732.06, 11,759,971.46 and 4,654,253.41 is: 6,422,859.45
Step by Step Solution
- Step 1: Write the proportion equation
8,521,732.06 : 11,759,971.46 = 4,654,253.41 : x - Step 2: Convert to fraction form
8,521,732.06/11,759,971.46 = 4,654,253.41/x - Step 3: Cross multiply
8,521,732.06x = 11,759,971.46 × 4,654,253.41 - Step 4: Simplify right side
8,521,732.06x = 54,733,887,269,207.69 - Step 5: Solve for x
x = 54,733,887,269,207.69/8,521,732.06 - Step 6: Final answer
x = 6,422,859.45
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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.