Finding the Fourth Proportional to 14,275,611.99, 19,700,369.53 and 7,749,245.87
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Solution
The fourth proportional to 14,275,611.99, 19,700,369.53 and 7,749,245.87 is: 10,693,972.86
Step by Step Solution
- Step 1: Write the proportion equation
14,275,611.99 : 19,700,369.53 = 7,749,245.87 : x - Step 2: Convert to fraction form
14,275,611.99/19,700,369.53 = 7,749,245.87/x - Step 3: Cross multiply
14,275,611.99x = 19,700,369.53 × 7,749,245.87 - Step 4: Simplify right side
14,275,611.99x = 152,663,007,080,578.25 - Step 5: Solve for x
x = 152,663,007,080,578.25/14,275,611.99 - Step 6: Final answer
x = 10,693,972.86
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.