Finding the Fourth Proportional to 18,848,394.96, 28,246,435.24 and 8,588,180.14
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Solution
The fourth proportional to 18,848,394.96, 28,246,435.24 and 8,588,180.14 is: 12,870,351.81
Step by Step Solution
- Step 1: Write the proportion equation
18,848,394.96 : 28,246,435.24 = 8,588,180.14 : x - Step 2: Convert to fraction form
18,848,394.96/28,246,435.24 = 8,588,180.14/x - Step 3: Cross multiply
18,848,394.96x = 28,246,435.24 × 8,588,180.14 - Step 4: Simplify right side
18,848,394.96x = 242,585,474,153,964.12 - Step 5: Solve for x
x = 242,585,474,153,964.12/18,848,394.96 - Step 6: Final answer
x = 12,870,351.81
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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.