Finding the Fourth Proportional to 16,211,649.54, 24,320,420.64 and 7,691,906.70
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Solution
The fourth proportional to 16,211,649.54, 24,320,420.64 and 7,691,906.70 is: 11,539,257.99
Step by Step Solution
- Step 1: Write the proportion equation
16,211,649.54 : 24,320,420.64 = 7,691,906.70 : x - Step 2: Convert to fraction form
16,211,649.54/24,320,420.64 = 7,691,906.70/x - Step 3: Cross multiply
16,211,649.54x = 24,320,420.64 × 7,691,906.70 - Step 4: Simplify right side
16,211,649.54x = 187,070,406,467,634.31 - Step 5: Solve for x
x = 187,070,406,467,634.31/16,211,649.54 - Step 6: Final answer
x = 11,539,257.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.