Finding the Fourth Proportional to 8,892,452.44, 12,270,189.48 and 5,172,106.66
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Solution
The fourth proportional to 8,892,452.44, 12,270,189.48 and 5,172,106.66 is: 7,136,695.88
Step by Step Solution
- Step 1: Write the proportion equation
8,892,452.44 : 12,270,189.48 = 5,172,106.66 : x - Step 2: Convert to fraction form
8,892,452.44/12,270,189.48 = 5,172,106.66/x - Step 3: Cross multiply
8,892,452.44x = 12,270,189.48 × 5,172,106.66 - Step 4: Simplify right side
8,892,452.44x = 63,462,728,728,969.94 - Step 5: Solve for x
x = 63,462,728,728,969.94/8,892,452.44 - Step 6: Final answer
x = 7,136,695.88
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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.