Finding the Fourth Proportional to 7,284,243.20, 10,926,364.80 and 6,562,630.40
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Solution
The fourth proportional to 7,284,243.20, 10,926,364.80 and 6,562,630.40 is: 9,843,945.60
Step by Step Solution
- Step 1: Write the proportion equation
7,284,243.20 : 10,926,364.80 = 6,562,630.40 : x - Step 2: Convert to fraction form
7,284,243.20/10,926,364.80 = 6,562,630.40/x - Step 3: Cross multiply
7,284,243.20x = 10,926,364.80 × 6,562,630.40 - Step 4: Simplify right side
7,284,243.20x = 71,705,693,797,969.92 - Step 5: Solve for x
x = 71,705,693,797,969.92/7,284,243.20 - Step 6: Final answer
x = 9,843,945.60
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Similar ratio
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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.