Finding the Fourth Proportional to 22,982,071.14, 31,715,473.68 and 12,669,163.20
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Solution
The fourth proportional to 22,982,071.14, 31,715,473.68 and 12,669,163.20 is: 17,483,564.02
Step by Step Solution
- Step 1: Write the proportion equation
22,982,071.14 : 31,715,473.68 = 12,669,163.20 : x - Step 2: Convert to fraction form
22,982,071.14/31,715,473.68 = 12,669,163.20/x - Step 3: Cross multiply
22,982,071.14x = 31,715,473.68 × 12,669,163.20 - Step 4: Simplify right side
22,982,071.14x = 401,808,512,017,224.56 - Step 5: Solve for x
x = 401,808,512,017,224.56/22,982,071.14 - Step 6: Final answer
x = 17,483,564.02
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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.