Finding the Fourth Proportional to 21,703,188.80, 32,559,967.20 and 6,557,268.80
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Solution
The fourth proportional to 21,703,188.80, 32,559,967.20 and 6,557,268.80 is: 9,837,469.46
Step by Step Solution
- Step 1: Write the proportion equation
21,703,188.80 : 32,559,967.20 = 6,557,268.80 : x - Step 2: Convert to fraction form
21,703,188.80/32,559,967.20 = 6,557,268.80/x - Step 3: Cross multiply
21,703,188.80x = 32,559,967.20 × 6,557,268.80 - Step 4: Simplify right side
21,703,188.80x = 213,504,457,049,583.34 - Step 5: Solve for x
x = 213,504,457,049,583.34/21,703,188.80 - Step 6: Final answer
x = 9,837,469.46
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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.