Finding the Fourth Proportional to 19,699,218.56, 29,560,342.43 and 14,228,919.20
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Solution
The fourth proportional to 19,699,218.56, 29,560,342.43 and 14,228,919.20 is: 21,351,695.89
Step by Step Solution
- Step 1: Write the proportion equation
19,699,218.56 : 29,560,342.43 = 14,228,919.20 : x - Step 2: Convert to fraction form
19,699,218.56/29,560,342.43 = 14,228,919.20/x - Step 3: Cross multiply
19,699,218.56x = 29,560,342.43 × 14,228,919.20 - Step 4: Simplify right side
19,699,218.56x = 420,611,723,823,960.19 - Step 5: Solve for x
x = 420,611,723,823,960.19/19,699,218.56 - Step 6: Final answer
x = 21,351,695.89
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.