Finding the Fourth Proportional to 8,228,213.28, 12,292,282.98 and 5,325,937.92
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Solution
The fourth proportional to 8,228,213.28, 12,292,282.98 and 5,325,937.92 is: 7,956,519.09
Step by Step Solution
- Step 1: Write the proportion equation
8,228,213.28 : 12,292,282.98 = 5,325,937.92 : x - Step 2: Convert to fraction form
8,228,213.28/12,292,282.98 = 5,325,937.92/x - Step 3: Cross multiply
8,228,213.28x = 12,292,282.98 × 5,325,937.92 - Step 4: Simplify right side
8,228,213.28x = 65,467,936,046,552.60 - Step 5: Solve for x
x = 65,467,936,046,552.60/8,228,213.28 - Step 6: Final answer
x = 7,956,519.09
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.