Finding the Fourth Proportional to 39,997,163.66, 55,195,915.59 and 22,356,042.84
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Solution
The fourth proportional to 39,997,163.66, 55,195,915.59 and 22,356,042.84 is: 30,851,243.96
Step by Step Solution
- Step 1: Write the proportion equation
39,997,163.66 : 55,195,915.59 = 22,356,042.84 : x - Step 2: Convert to fraction form
39,997,163.66/55,195,915.59 = 22,356,042.84/x - Step 3: Cross multiply
39,997,163.66x = 55,195,915.59 × 22,356,042.84 - Step 4: Simplify right side
39,997,163.66x = 1,233,962,253,523,064 - Step 5: Solve for x
x = 1,233,962,253,523,064/39,997,163.66 - Step 6: Final answer
x = 30,851,243.96
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.