Finding the Fourth Proportional to 39,998,576.53, 55,197,778.48 and 22,600,554.13
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Solution
The fourth proportional to 39,998,576.53, 55,197,778.48 and 22,600,554.13 is: 31,188,619.41
Step by Step Solution
- Step 1: Write the proportion equation
39,998,576.53 : 55,197,778.48 = 22,600,554.13 : x - Step 2: Convert to fraction form
39,998,576.53/55,197,778.48 = 22,600,554.13/x - Step 3: Cross multiply
39,998,576.53x = 55,197,778.48 × 22,600,554.13 - Step 4: Simplify right side
39,998,576.53x = 1,247,500,380,392,989 - Step 5: Solve for x
x = 1,247,500,380,392,989/39,998,576.53 - Step 6: Final answer
x = 31,188,619.41
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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.