Finding the Fourth Proportional to 10,892,495.70, 16,338,743.55 and 3,319,449.30
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Solution
The fourth proportional to 10,892,495.70, 16,338,743.55 and 3,319,449.30 is: 4,979,173.95
Step by Step Solution
- Step 1: Write the proportion equation
10,892,495.70 : 16,338,743.55 = 3,319,449.30 : x - Step 2: Convert to fraction form
10,892,495.70/16,338,743.55 = 3,319,449.30/x - Step 3: Cross multiply
10,892,495.70x = 16,338,743.55 × 3,319,449.30 - Step 4: Simplify right side
10,892,495.70x = 54,235,630,839,927.02 - Step 5: Solve for x
x = 54,235,630,839,927.02/10,892,495.70 - Step 6: Final answer
x = 4,979,173.95
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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.