Finding the Fourth Proportional to 22,785,687.64, 31,406,620.62 and 16,982,351.92
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Solution
The fourth proportional to 22,785,687.64, 31,406,620.62 and 16,982,351.92 is: 23,407,600.96
Step by Step Solution
- Step 1: Write the proportion equation
22,785,687.64 : 31,406,620.62 = 16,982,351.92 : x - Step 2: Convert to fraction form
22,785,687.64/31,406,620.62 = 16,982,351.92/x - Step 3: Cross multiply
22,785,687.64x = 31,406,620.62 × 16,982,351.92 - Step 4: Simplify right side
22,785,687.64x = 533,358,283,986,768.69 - Step 5: Solve for x
x = 533,358,283,986,768.69/22,785,687.64 - Step 6: Final answer
x = 23,407,600.96
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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.