Finding the Fourth Proportional to 22,299,964.20, 33,449,946.30 and 19,961,623.80
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Solution
The fourth proportional to 22,299,964.20, 33,449,946.30 and 19,961,623.80 is: 29,942,435.70
Step by Step Solution
- Step 1: Write the proportion equation
22,299,964.20 : 33,449,946.30 = 19,961,623.80 : x - Step 2: Convert to fraction form
22,299,964.20/33,449,946.30 = 19,961,623.80/x - Step 3: Cross multiply
22,299,964.20x = 33,449,946.30 × 19,961,623.80 - Step 4: Simplify right side
22,299,964.20x = 667,715,244,170,802 - Step 5: Solve for x
x = 667,715,244,170,802/22,299,964.20 - Step 6: Final answer
x = 29,942,435.70
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1.5x scale
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.