Finding the Fourth Proportional to 7,463,485.80, 11,195,228.70 and 3,684,349.80
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Solution
The fourth proportional to 7,463,485.80, 11,195,228.70 and 3,684,349.80 is: 5,526,524.70
Step by Step Solution
- Step 1: Write the proportion equation
7,463,485.80 : 11,195,228.70 = 3,684,349.80 : x - Step 2: Convert to fraction form
7,463,485.80/11,195,228.70 = 3,684,349.80/x - Step 3: Cross multiply
7,463,485.80x = 11,195,228.70 × 3,684,349.80 - Step 4: Simplify right side
7,463,485.80x = 41,247,138,621,799.26 - Step 5: Solve for x
x = 41,247,138,621,799.26/7,463,485.80 - Step 6: Final answer
x = 5,526,524.70
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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.