Finding the Fourth Proportional to 27,769,578.18, 41,681,234.57 and 13,402,759.65
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Solution
The fourth proportional to 27,769,578.18, 41,681,234.57 and 13,402,759.65 is: 20,117,106.76
Step by Step Solution
- Step 1: Write the proportion equation
27,769,578.18 : 41,681,234.57 = 13,402,759.65 : x - Step 2: Convert to fraction form
27,769,578.18/41,681,234.57 = 13,402,759.65/x - Step 3: Cross multiply
27,769,578.18x = 41,681,234.57 × 13,402,759.65 - Step 4: Simplify right side
27,769,578.18x = 558,643,568,789,967.31 - Step 5: Solve for x
x = 558,643,568,789,967.31/27,769,578.18 - Step 6: Final answer
x = 20,117,106.76
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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.