Finding the Fourth Proportional to 11,235,649.20, 16,824,961.80 and 6,181,249.20
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Solution
The fourth proportional to 11,235,649.20, 16,824,961.80 and 6,181,249.20 is: 9,256,188.03
Step by Step Solution
- Step 1: Write the proportion equation
11,235,649.20 : 16,824,961.80 = 6,181,249.20 : x - Step 2: Convert to fraction form
11,235,649.20/16,824,961.80 = 6,181,249.20/x - Step 3: Cross multiply
11,235,649.20x = 16,824,961.80 × 6,181,249.20 - Step 4: Simplify right side
11,235,649.20x = 103,999,281,666,280.56 - Step 5: Solve for x
x = 103,999,281,666,280.56/11,235,649.20 - Step 6: Final answer
x = 9,256,188.03
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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.