Finding the Fourth Proportional to 17,762,731.87, 24,509,960.97 and 9,921,278
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Solution
The fourth proportional to 17,762,731.87, 24,509,960.97 and 9,921,278 is: 13,689,906.39
Step by Step Solution
- Step 1: Write the proportion equation
17,762,731.87 : 24,509,960.97 = 9,921,278 : x - Step 2: Convert to fraction form
17,762,731.87/24,509,960.97 = 9,921,278/x - Step 3: Cross multiply
17,762,731.87x = 24,509,960.97 × 9,921,278 - Step 4: Simplify right side
17,762,731.87x = 243,170,136,552,519.66 - Step 5: Solve for x
x = 243,170,136,552,519.66/17,762,731.87 - Step 6: Final answer
x = 13,689,906.39
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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.