Finding the Fourth Proportional to 19,923,930.68, 27,485,630.29 and 11,658,922.89
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Solution
The fourth proportional to 19,923,930.68, 27,485,630.29 and 11,658,922.89 is: 16,083,816.45
Step by Step Solution
- Step 1: Write the proportion equation
19,923,930.68 : 27,485,630.29 = 11,658,922.89 : x - Step 2: Convert to fraction form
19,923,930.68/27,485,630.29 = 11,658,922.89/x - Step 3: Cross multiply
19,923,930.68x = 27,485,630.29 × 11,658,922.89 - Step 4: Simplify right side
19,923,930.68x = 320,452,844,049,448.44 - Step 5: Solve for x
x = 320,452,844,049,448.44/19,923,930.68 - Step 6: Final answer
x = 16,083,816.45
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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.