Finding the Fourth Proportional to 22,612,295.97, 31,202,136.23 and 15,286,069.53
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Solution
The fourth proportional to 22,612,295.97, 31,202,136.23 and 15,286,069.53 is: 21,092,861.36
Step by Step Solution
- Step 1: Write the proportion equation
22,612,295.97 : 31,202,136.23 = 15,286,069.53 : x - Step 2: Convert to fraction form
22,612,295.97/31,202,136.23 = 15,286,069.53/x - Step 3: Cross multiply
22,612,295.97x = 31,202,136.23 × 15,286,069.53 - Step 4: Simplify right side
22,612,295.97x = 476,958,023,819,881.75 - Step 5: Solve for x
x = 476,958,023,819,881.75/22,612,295.97 - Step 6: Final answer
x = 21,092,861.36
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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.