Finding the Fourth Proportional to 18,015,886.26, 27,034,921.14 and 7,084,152.18
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Solution
The fourth proportional to 18,015,886.26, 27,034,921.14 and 7,084,152.18 is: 10,630,589.73
Step by Step Solution
- Step 1: Write the proportion equation
18,015,886.26 : 27,034,921.14 = 7,084,152.18 : x - Step 2: Convert to fraction form
18,015,886.26/27,034,921.14 = 7,084,152.18/x - Step 3: Cross multiply
18,015,886.26x = 27,034,921.14 × 7,084,152.18 - Step 4: Simplify right side
18,015,886.26x = 191,519,495,530,059.09 - Step 5: Solve for x
x = 191,519,495,530,059.09/18,015,886.26 - Step 6: Final answer
x = 10,630,589.73
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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.