Finding the Fourth Proportional to 36,872,616.06, 50,883,929.64 and 20,352,738.60
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Solution
The fourth proportional to 36,872,616.06, 50,883,929.64 and 20,352,738.60 is: 28,086,624.43
Step by Step Solution
- Step 1: Write the proportion equation
36,872,616.06 : 50,883,929.64 = 20,352,738.60 : x - Step 2: Convert to fraction form
36,872,616.06/50,883,929.64 = 20,352,738.60/x - Step 3: Cross multiply
36,872,616.06x = 50,883,929.64 × 20,352,738.60 - Step 4: Simplify right side
36,872,616.06x = 1,035,627,318,903,712.25 - Step 5: Solve for x
x = 1,035,627,318,903,712.25/36,872,616.06 - Step 6: Final answer
x = 28,086,624.43
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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.