Finding the Fourth Proportional to 20,907,295.68, 31,315,220.64 and 14,823,586.56
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Solution
The fourth proportional to 20,907,295.68, 31,315,220.64 and 14,823,586.56 is: 22,202,961.63
Step by Step Solution
- Step 1: Write the proportion equation
20,907,295.68 : 31,315,220.64 = 14,823,586.56 : x - Step 2: Convert to fraction form
20,907,295.68/31,315,220.64 = 14,823,586.56/x - Step 3: Cross multiply
20,907,295.68x = 31,315,220.64 × 14,823,586.56 - Step 4: Simplify right side
20,907,295.68x = 464,203,883,802,538.62 - Step 5: Solve for x
x = 464,203,883,802,538.62/20,907,295.68 - Step 6: Final answer
x = 22,202,961.63
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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.