Finding the Fourth Proportional to 18,486,067.59, 27,731,624.67 and 7,700,845.68
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Solution
The fourth proportional to 18,486,067.59, 27,731,624.67 and 7,700,845.68 is: 11,552,319.66
Step by Step Solution
- Step 1: Write the proportion equation
18,486,067.59 : 27,731,624.67 = 7,700,845.68 : x - Step 2: Convert to fraction form
18,486,067.59/27,731,624.67 = 7,700,845.68/x - Step 3: Cross multiply
18,486,067.59x = 27,731,624.67 × 7,700,845.68 - Step 4: Simplify right side
18,486,067.59x = 213,556,962,039,350.94 - Step 5: Solve for x
x = 213,556,962,039,350.94/18,486,067.59 - Step 6: Final answer
x = 11,552,319.66
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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.