Finding the Fourth Proportional to 39,241,350.81, 54,158,220.75 and 22,502,640.83
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Solution
The fourth proportional to 39,241,350.81, 54,158,220.75 and 22,502,640.83 is: 31,056,601.37
Step by Step Solution
- Step 1: Write the proportion equation
39,241,350.81 : 54,158,220.75 = 22,502,640.83 : x - Step 2: Convert to fraction form
39,241,350.81/54,158,220.75 = 22,502,640.83/x - Step 3: Cross multiply
39,241,350.81x = 54,158,220.75 × 22,502,640.83 - Step 4: Simplify right side
39,241,350.81x = 1,218,702,989,145,798.75 - Step 5: Solve for x
x = 1,218,702,989,145,798.75/39,241,350.81 - Step 6: Final answer
x = 31,056,601.37
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1.5x scale
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.