Finding the Fourth Proportional to 18,907,179.04, 26,065,598.88 and 15,979,135.96
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Solution
The fourth proportional to 18,907,179.04, 26,065,598.88 and 15,979,135.96 is: 22,028,973.62
Step by Step Solution
- Step 1: Write the proportion equation
18,907,179.04 : 26,065,598.88 = 15,979,135.96 : x - Step 2: Convert to fraction form
18,907,179.04/26,065,598.88 = 15,979,135.96/x - Step 3: Cross multiply
18,907,179.04x = 26,065,598.88 × 15,979,135.96 - Step 4: Simplify right side
18,907,179.04x = 416,505,748,382,343.75 - Step 5: Solve for x
x = 416,505,748,382,343.75/18,907,179.04 - Step 6: Final answer
x = 22,028,973.62
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.