Finding the Fourth Proportional to 7,786,838.26, 11,681,602.53 and 3,470,421.97
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Solution
The fourth proportional to 7,786,838.26, 11,681,602.53 and 3,470,421.97 is: 5,206,232.45
Step by Step Solution
- Step 1: Write the proportion equation
7,786,838.26 : 11,681,602.53 = 3,470,421.97 : x - Step 2: Convert to fraction form
7,786,838.26/11,681,602.53 = 3,470,421.97/x - Step 3: Cross multiply
7,786,838.26x = 11,681,602.53 × 3,470,421.97 - Step 4: Simplify right side
7,786,838.26x = 40,540,090,064,919.59 - Step 5: Solve for x
x = 40,540,090,064,919.59/7,786,838.26 - Step 6: Final answer
x = 5,206,232.45
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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.