Finding the Fourth Proportional to 22,563,182.37, 31,166,399.53 and 18,658,709.74
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Solution
The fourth proportional to 22,563,182.37, 31,166,399.53 and 18,658,709.74 is: 25,773,172.99
Step by Step Solution
- Step 1: Write the proportion equation
22,563,182.37 : 31,166,399.53 = 18,658,709.74 : x - Step 2: Convert to fraction form
22,563,182.37/31,166,399.53 = 18,658,709.74/x - Step 3: Cross multiply
22,563,182.37x = 31,166,399.53 × 18,658,709.74 - Step 4: Simplify right side
22,563,182.37x = 581,524,802,315,310.38 - Step 5: Solve for x
x = 581,524,802,315,310.38/22,563,182.37 - Step 6: Final answer
x = 25,773,172.99
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1.5x scale
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.