Finding the Fourth Proportional to 43,158,028.99, 64,693,422.72 and 18,581,986.21
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Solution
The fourth proportional to 43,158,028.99, 64,693,422.72 and 18,581,986.21 is: 27,854,198.09
Step by Step Solution
- Step 1: Write the proportion equation
43,158,028.99 : 64,693,422.72 = 18,581,986.21 : x - Step 2: Convert to fraction form
43,158,028.99/64,693,422.72 = 18,581,986.21/x - Step 3: Cross multiply
43,158,028.99x = 64,693,422.72 × 18,581,986.21 - Step 4: Simplify right side
43,158,028.99x = 1,202,132,288,860,740.75 - Step 5: Solve for x
x = 1,202,132,288,860,740.75/43,158,028.99 - Step 6: Final answer
x = 27,854,198.09
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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.