Finding the Fourth Proportional to 7,553,356.20, 11,333,382.84 and 3,958,268.40
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Solution
The fourth proportional to 7,553,356.20, 11,333,382.84 and 3,958,268.40 is: 5,939,157.37
Step by Step Solution
- Step 1: Write the proportion equation
7,553,356.20 : 11,333,382.84 = 3,958,268.40 : x - Step 2: Convert to fraction form
7,553,356.20/11,333,382.84 = 3,958,268.40/x - Step 3: Cross multiply
7,553,356.20x = 11,333,382.84 × 3,958,268.40 - Step 4: Simplify right side
7,553,356.20x = 44,860,571,160,674.26 - Step 5: Solve for x
x = 44,860,571,160,674.26/7,553,356.20 - Step 6: Final answer
x = 5,939,157.37
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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.