Finding the Fourth Proportional to 18,566,164.36, 27,842,939.64 and 6,432,795.88
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Solution
The fourth proportional to 18,566,164.36, 27,842,939.64 and 6,432,795.88 is: 9,647,008.61
Step by Step Solution
- Step 1: Write the proportion equation
18,566,164.36 : 27,842,939.64 = 6,432,795.88 : x - Step 2: Convert to fraction form
18,566,164.36/27,842,939.64 = 6,432,795.88/x - Step 3: Cross multiply
18,566,164.36x = 27,842,939.64 × 6,432,795.88 - Step 4: Simplify right side
18,566,164.36x = 179,107,947,403,280.69 - Step 5: Solve for x
x = 179,107,947,403,280.69/18,566,164.36 - Step 6: Final answer
x = 9,647,008.61
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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.