Finding the Fourth Proportional to 7,048,135.20, 10,572,202.80 and 6,208,327.20
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Solution
The fourth proportional to 7,048,135.20, 10,572,202.80 and 6,208,327.20 is: 9,312,490.80
Step by Step Solution
- Step 1: Write the proportion equation
7,048,135.20 : 10,572,202.80 = 6,208,327.20 : x - Step 2: Convert to fraction form
7,048,135.20/10,572,202.80 = 6,208,327.20/x - Step 3: Cross multiply
7,048,135.20x = 10,572,202.80 × 6,208,327.20 - Step 4: Simplify right side
7,048,135.20x = 65,635,694,207,156.16 - Step 5: Solve for x
x = 65,635,694,207,156.16/7,048,135.20 - Step 6: Final answer
x = 9,312,490.80
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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.