Finding the Fourth Proportional to 9,652,605.20, 14,478,907.80 and 6,419,344.40
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Solution
The fourth proportional to 9,652,605.20, 14,478,907.80 and 6,419,344.40 is: 9,629,016.60
Step by Step Solution
- Step 1: Write the proportion equation
9,652,605.20 : 14,478,907.80 = 6,419,344.40 : x - Step 2: Convert to fraction form
9,652,605.20/14,478,907.80 = 6,419,344.40/x - Step 3: Cross multiply
9,652,605.20x = 14,478,907.80 × 6,419,344.40 - Step 4: Simplify right side
9,652,605.20x = 92,945,095,704,046.33 - Step 5: Solve for x
x = 92,945,095,704,046.33/9,652,605.20 - Step 6: Final answer
x = 9,629,016.60
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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.