Finding the Fourth Proportional to 22,021,608.16, 33,032,744.48 and 7,645,132.81
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Solution
The fourth proportional to 22,021,608.16, 33,032,744.48 and 7,645,132.81 is: 11,467,814.56
Step by Step Solution
- Step 1: Write the proportion equation
22,021,608.16 : 33,032,744.48 = 7,645,132.81 : x - Step 2: Convert to fraction form
22,021,608.16/33,032,744.48 = 7,645,132.81/x - Step 3: Cross multiply
22,021,608.16x = 33,032,744.48 × 7,645,132.81 - Step 4: Simplify right side
22,021,608.16x = 252,539,718,628,394.38 - Step 5: Solve for x
x = 252,539,718,628,394.38/22,021,608.16 - Step 6: Final answer
x = 11,467,814.56
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.