Finding the Fourth Proportional to 27,769,612.44, 41,681,286.09 and 13,402,793.91
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Solution
The fourth proportional to 27,769,612.44, 41,681,286.09 and 13,402,793.91 is: 20,117,158.23
Step by Step Solution
- Step 1: Write the proportion equation
27,769,612.44 : 41,681,286.09 = 13,402,793.91 : x - Step 2: Convert to fraction form
27,769,612.44/41,681,286.09 = 13,402,793.91/x - Step 3: Cross multiply
27,769,612.44x = 41,681,286.09 × 13,402,793.91 - Step 4: Simplify right side
27,769,612.44x = 558,645,687,368,019.75 - Step 5: Solve for x
x = 558,645,687,368,019.75/27,769,612.44 - Step 6: Final answer
x = 20,117,158.23
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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.