Finding the Fourth Proportional to 22,278,730.14, 33,418,561.80 and 7,132,617.90
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Solution
The fourth proportional to 22,278,730.14, 33,418,561.80 and 7,132,617.90 is: 10,699,076.23
Step by Step Solution
- Step 1: Write the proportion equation
22,278,730.14 : 33,418,561.80 = 7,132,617.90 : x - Step 2: Convert to fraction form
22,278,730.14/33,418,561.80 = 7,132,617.90/x - Step 3: Cross multiply
22,278,730.14x = 33,418,561.80 × 7,132,617.90 - Step 4: Simplify right side
22,278,730.14x = 238,361,832,086,936.25 - Step 5: Solve for x
x = 238,361,832,086,936.25/22,278,730.14 - Step 6: Final answer
x = 10,699,076.23
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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.