Finding the Fourth Proportional to 7,015,135.80, 10,522,703.70 and 3,235,999.80
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Solution
The fourth proportional to 7,015,135.80, 10,522,703.70 and 3,235,999.80 is: 4,853,999.70
Step by Step Solution
- Step 1: Write the proportion equation
7,015,135.80 : 10,522,703.70 = 3,235,999.80 : x - Step 2: Convert to fraction form
7,015,135.80/10,522,703.70 = 3,235,999.80/x - Step 3: Cross multiply
7,015,135.80x = 10,522,703.70 × 3,235,999.80 - Step 4: Simplify right side
7,015,135.80x = 34,051,467,068,659.25 - Step 5: Solve for x
x = 34,051,467,068,659.25/7,015,135.80 - Step 6: Final answer
x = 4,853,999.70
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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.