Finding the Fourth Proportional to 7,048,152.70, 10,572,229.05 and 6,208,344.70
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Solution
The fourth proportional to 7,048,152.70, 10,572,229.05 and 6,208,344.70 is: 9,312,517.05
Step by Step Solution
- Step 1: Write the proportion equation
7,048,152.70 : 10,572,229.05 = 6,208,344.70 : x - Step 2: Convert to fraction form
7,048,152.70/10,572,229.05 = 6,208,344.70/x - Step 3: Cross multiply
7,048,152.70x = 10,572,229.05 × 6,208,344.70 - Step 4: Simplify right side
7,048,152.70x = 65,636,042,189,753.54 - Step 5: Solve for x
x = 65,636,042,189,753.54/7,048,152.70 - Step 6: Final answer
x = 9,312,517.05
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Double scale
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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.