Finding the Fourth Proportional to 23,560,842.80, 35,291,497.80 and 19,579,530.80
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Solution
The fourth proportional to 23,560,842.80, 35,291,497.80 and 19,579,530.80 is: 29,327,939.33
Step by Step Solution
- Step 1: Write the proportion equation
23,560,842.80 : 35,291,497.80 = 19,579,530.80 : x - Step 2: Convert to fraction form
23,560,842.80/35,291,497.80 = 19,579,530.80/x - Step 3: Cross multiply
23,560,842.80x = 35,291,497.80 × 19,579,530.80 - Step 4: Simplify right side
23,560,842.80x = 690,990,968,153,232.25 - Step 5: Solve for x
x = 690,990,968,153,232.25/23,560,842.80 - Step 6: Final answer
x = 29,327,939.33
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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.