Finding the Fourth Proportional to 9,644,728.20, 13,310,390.16 and 6,375,873.96
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Solution
The fourth proportional to 9,644,728.20, 13,310,390.16 and 6,375,873.96 is: 8,799,145.84
Step by Step Solution
- Step 1: Write the proportion equation
9,644,728.20 : 13,310,390.16 = 6,375,873.96 : x - Step 2: Convert to fraction form
9,644,728.20/13,310,390.16 = 6,375,873.96/x - Step 3: Cross multiply
9,644,728.20x = 13,310,390.16 × 6,375,873.96 - Step 4: Simplify right side
9,644,728.20x = 84,865,370,018,584.23 - Step 5: Solve for x
x = 84,865,370,018,584.23/9,644,728.20 - Step 6: Final answer
x = 8,799,145.84
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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.