Finding the Fourth Proportional to 7,403,497.20, 11,105,245.80 and 7,403,497.20
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Solution
The fourth proportional to 7,403,497.20, 11,105,245.80 and 7,403,497.20 is: 11,105,245.80
Step by Step Solution
- Step 1: Write the proportion equation
7,403,497.20 : 11,105,245.80 = 7,403,497.20 : x - Step 2: Convert to fraction form
7,403,497.20/11,105,245.80 = 7,403,497.20/x - Step 3: Cross multiply
7,403,497.20x = 11,105,245.80 × 7,403,497.20 - Step 4: Simplify right side
7,403,497.20x = 82,217,656,185,611.77 - Step 5: Solve for x
x = 82,217,656,185,611.77/7,403,497.20 - Step 6: Final answer
x = 11,105,245.80
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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.