Finding the Fourth Proportional to 11,232,337.20, 16,848,505.80 and 6,130,503.60
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Solution
The fourth proportional to 11,232,337.20, 16,848,505.80 and 6,130,503.60 is: 9,195,755.40
Step by Step Solution
- Step 1: Write the proportion equation
11,232,337.20 : 16,848,505.80 = 6,130,503.60 : x - Step 2: Convert to fraction form
11,232,337.20/16,848,505.80 = 6,130,503.60/x - Step 3: Cross multiply
11,232,337.20x = 16,848,505.80 × 6,130,503.60 - Step 4: Simplify right side
11,232,337.20x = 103,289,825,461,520.88 - Step 5: Solve for x
x = 103,289,825,461,520.88/11,232,337.20 - Step 6: Final answer
x = 9,195,755.40
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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.