Finding the Fourth Proportional to 11,393,796.78, 15,723,438.39 and 6,237,161.82
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Solution
The fourth proportional to 11,393,796.78, 15,723,438.39 and 6,237,161.82 is: 8,607,282.67
Step by Step Solution
- Step 1: Write the proportion equation
11,393,796.78 : 15,723,438.39 = 6,237,161.82 : x - Step 2: Convert to fraction form
11,393,796.78/15,723,438.39 = 6,237,161.82/x - Step 3: Cross multiply
11,393,796.78x = 15,723,438.39 × 6,237,161.82 - Step 4: Simplify right side
11,393,796.78x = 98,069,629,605,230.28 - Step 5: Solve for x
x = 98,069,629,605,230.28/11,393,796.78 - Step 6: Final answer
x = 8,607,282.67
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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.