Finding the Fourth Proportional to 11,232,193.20, 16,848,289.80 and 8,577,985.20
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Solution
The fourth proportional to 11,232,193.20, 16,848,289.80 and 8,577,985.20 is: 12,866,977.80
Step by Step Solution
- Step 1: Write the proportion equation
11,232,193.20 : 16,848,289.80 = 8,577,985.20 : x - Step 2: Convert to fraction form
11,232,193.20/16,848,289.80 = 8,577,985.20/x - Step 3: Cross multiply
11,232,193.20x = 16,848,289.80 × 8,577,985.20 - Step 4: Simplify right side
11,232,193.20x = 144,524,380,549,710.97 - Step 5: Solve for x
x = 144,524,380,549,710.97/11,232,193.20 - Step 6: Final answer
x = 12,866,977.80
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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.