Finding the Fourth Proportional to 39,749,734.70, 54,853,035.26 and 22,345,708.98
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Solution
The fourth proportional to 39,749,734.70, 54,853,035.26 and 22,345,708.98 is: 30,836,179.71
Step by Step Solution
- Step 1: Write the proportion equation
39,749,734.70 : 54,853,035.26 = 22,345,708.98 : x - Step 2: Convert to fraction form
39,749,734.70/54,853,035.26 = 22,345,708.98/x - Step 3: Cross multiply
39,749,734.70x = 54,853,035.26 × 22,345,708.98 - Step 4: Simplify right side
39,749,734.70x = 1,225,729,962,477,910.25 - Step 5: Solve for x
x = 1,225,729,962,477,910.25/39,749,734.70 - Step 6: Final answer
x = 30,836,179.71
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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.