Finding the Fourth Proportional to 18,503,573.74, 27,642,904.68 and 11,973,450.84
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Solution
The fourth proportional to 18,503,573.74, 27,642,904.68 and 11,973,450.84 is: 17,887,407.31
Step by Step Solution
- Step 1: Write the proportion equation
18,503,573.74 : 27,642,904.68 = 11,973,450.84 : x - Step 2: Convert to fraction form
18,503,573.74/27,642,904.68 = 11,973,450.84/x - Step 3: Cross multiply
18,503,573.74x = 27,642,904.68 × 11,973,450.84 - Step 4: Simplify right side
18,503,573.74x = 330,980,960,260,785.94 - Step 5: Solve for x
x = 330,980,960,260,785.94/18,503,573.74 - Step 6: Final answer
x = 17,887,407.31
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.