Finding the Fourth Proportional to 39,135,791.14, 58,683,570.87 and 20,701,649.47
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Solution
The fourth proportional to 39,135,791.14, 58,683,570.87 and 20,701,649.47 is: 31,041,833.53
Step by Step Solution
- Step 1: Write the proportion equation
39,135,791.14 : 58,683,570.87 = 20,701,649.47 : x - Step 2: Convert to fraction form
39,135,791.14/58,683,570.87 = 20,701,649.47/x - Step 3: Cross multiply
39,135,791.14x = 58,683,570.87 × 20,701,649.47 - Step 4: Simplify right side
39,135,791.14x = 1,214,846,713,694,043.50 - Step 5: Solve for x
x = 1,214,846,713,694,043.50/39,135,791.14 - Step 6: Final answer
x = 31,041,833.53
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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.