Finding the Fourth Proportional to 21,422,470.41, 29,562,902.10 and 11,632,827.42
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Solution
The fourth proportional to 21,422,470.41, 29,562,902.10 and 11,632,827.42 is: 16,053,243.70
Step by Step Solution
- Step 1: Write the proportion equation
21,422,470.41 : 29,562,902.10 = 11,632,827.42 : x - Step 2: Convert to fraction form
21,422,470.41/29,562,902.10 = 11,632,827.42/x - Step 3: Cross multiply
21,422,470.41x = 29,562,902.10 × 11,632,827.42 - Step 4: Simplify right side
21,422,470.41x = 343,900,138,163,655.62 - Step 5: Solve for x
x = 343,900,138,163,655.62/21,422,470.41 - Step 6: Final answer
x = 16,053,243.70
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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.