Finding the Fourth Proportional to 22,473,591.72, 31,008,163.14 and 13,652,866.68
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Solution
The fourth proportional to 22,473,591.72, 31,008,163.14 and 13,652,866.68 is: 18,837,679.47
Step by Step Solution
- Step 1: Write the proportion equation
22,473,591.72 : 31,008,163.14 = 13,652,866.68 : x - Step 2: Convert to fraction form
22,473,591.72/31,008,163.14 = 13,652,866.68/x - Step 3: Cross multiply
22,473,591.72x = 31,008,163.14 × 13,652,866.68 - Step 4: Simplify right side
22,473,591.72x = 423,350,317,342,110.19 - Step 5: Solve for x
x = 423,350,317,342,110.19/22,473,591.72 - Step 6: Final answer
x = 18,837,679.47
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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.