Finding the Fourth Proportional to 22,622,153.90, 33,890,416.07 and 13,372,434.23
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Solution
The fourth proportional to 22,622,153.90, 33,890,416.07 and 13,372,434.23 is: 20,033,342.62
Step by Step Solution
- Step 1: Write the proportion equation
22,622,153.90 : 33,890,416.07 = 13,372,434.23 : x - Step 2: Convert to fraction form
22,622,153.90/33,890,416.07 = 13,372,434.23/x - Step 3: Cross multiply
22,622,153.90x = 33,890,416.07 × 13,372,434.23 - Step 4: Simplify right side
22,622,153.90x = 453,197,359,687,095.75 - Step 5: Solve for x
x = 453,197,359,687,095.75/22,622,153.90 - Step 6: Final answer
x = 20,033,342.62
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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.