Finding the Fourth Proportional to 18,486,074.22, 27,731,634.56 and 7,700,852.28
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Solution
The fourth proportional to 18,486,074.22, 27,731,634.56 and 7,700,852.28 is: 11,552,329.54
Step by Step Solution
- Step 1: Write the proportion equation
18,486,074.22 : 27,731,634.56 = 7,700,852.28 : x - Step 2: Convert to fraction form
18,486,074.22/27,731,634.56 = 7,700,852.28/x - Step 3: Cross multiply
18,486,074.22x = 27,731,634.56 × 7,700,852.28 - Step 4: Simplify right side
18,486,074.22x = 213,557,221,229,502.78 - Step 5: Solve for x
x = 213,557,221,229,502.78/18,486,074.22 - Step 6: Final answer
x = 11,552,329.54
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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.