Finding the Fourth Proportional to 42,580,194.48, 58,786,707.96 and 27,709,687.44
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Solution
The fourth proportional to 42,580,194.48, 58,786,707.96 and 27,709,687.44 is: 38,256,314.31
Step by Step Solution
- Step 1: Write the proportion equation
42,580,194.48 : 58,786,707.96 = 27,709,687.44 : x - Step 2: Convert to fraction form
42,580,194.48/58,786,707.96 = 27,709,687.44/x - Step 3: Cross multiply
42,580,194.48x = 58,786,707.96 × 27,709,687.44 - Step 4: Simplify right side
42,580,194.48x = 1,628,961,303,198,160.25 - Step 5: Solve for x
x = 1,628,961,303,198,160.25/42,580,194.48 - Step 6: Final answer
x = 38,256,314.31
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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.