Finding the Fourth Proportional to 41,279,434.09, 56,965,655.50 and 22,694,890.41
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Solution
The fourth proportional to 41,279,434.09, 56,965,655.50 and 22,694,890.41 is: 31,318,968.81
Step by Step Solution
- Step 1: Write the proportion equation
41,279,434.09 : 56,965,655.50 = 22,694,890.41 : x - Step 2: Convert to fraction form
41,279,434.09/56,965,655.50 = 22,694,890.41/x - Step 3: Cross multiply
41,279,434.09x = 56,965,655.50 × 22,694,890.41 - Step 4: Simplify right side
41,279,434.09x = 1,292,829,308,649,576.50 - Step 5: Solve for x
x = 1,292,829,308,649,576.50/41,279,434.09 - Step 6: Final answer
x = 31,318,968.81
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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.