Finding the Fourth Proportional to 22,215,572.99, 30,660,080.26 and 12,923,534.70
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Solution
The fourth proportional to 22,215,572.99, 30,660,080.26 and 12,923,534.70 is: 17,835,984.30
Step by Step Solution
- Step 1: Write the proportion equation
22,215,572.99 : 30,660,080.26 = 12,923,534.70 : x - Step 2: Convert to fraction form
22,215,572.99/30,660,080.26 = 12,923,534.70/x - Step 3: Cross multiply
22,215,572.99x = 30,660,080.26 × 12,923,534.70 - Step 4: Simplify right side
22,215,572.99x = 396,236,611,037,604.25 - Step 5: Solve for x
x = 396,236,611,037,604.25/22,215,572.99 - Step 6: Final answer
x = 17,835,984.30
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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.