Finding the Fourth Proportional to 11,231,261.20, 16,823,272.20 and 9,341,693.20
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Solution
The fourth proportional to 11,231,261.20, 16,823,272.20 and 9,341,693.20 is: 13,992,894.00
Step by Step Solution
- Step 1: Write the proportion equation
11,231,261.20 : 16,823,272.20 = 9,341,693.20 : x - Step 2: Convert to fraction form
11,231,261.20/16,823,272.20 = 9,341,693.20/x - Step 3: Cross multiply
11,231,261.20x = 16,823,272.20 × 9,341,693.20 - Step 4: Simplify right side
11,231,261.20x = 157,157,847,512,489.03 - Step 5: Solve for x
x = 157,157,847,512,489.03/11,231,261.20 - Step 6: Final answer
x = 13,992,894.00
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.