Finding the Fourth Proportional to 13,306,162.74, 18,345,859.29 and 11,104,203.66
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Solution
The fourth proportional to 13,306,162.74, 18,345,859.29 and 11,104,203.66 is: 15,309,910.29
Step by Step Solution
- Step 1: Write the proportion equation
13,306,162.74 : 18,345,859.29 = 11,104,203.66 : x - Step 2: Convert to fraction form
13,306,162.74/18,345,859.29 = 11,104,203.66/x - Step 3: Cross multiply
13,306,162.74x = 18,345,859.29 × 11,104,203.66 - Step 4: Simplify right side
13,306,162.74x = 203,716,157,873,863 - Step 5: Solve for x
x = 203,716,157,873,863/13,306,162.74 - Step 6: Final answer
x = 15,309,910.29
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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.