Finding the Fourth Proportional to 18,299,914.62, 27,450,068.85 and 5,520,530.04
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Solution
The fourth proportional to 18,299,914.62, 27,450,068.85 and 5,520,530.04 is: 8,280,854.46
Step by Step Solution
- Step 1: Write the proportion equation
18,299,914.62 : 27,450,068.85 = 5,520,530.04 : x - Step 2: Convert to fraction form
18,299,914.62/27,450,068.85 = 5,520,530.04/x - Step 3: Cross multiply
18,299,914.62x = 27,450,068.85 × 5,520,530.04 - Step 4: Simplify right side
18,299,914.62x = 151,538,929,686,493.25 - Step 5: Solve for x
x = 151,538,929,686,493.25/18,299,914.62 - Step 6: Final answer
x = 8,280,854.46
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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.