Finding the Fourth Proportional to 8,488,566.66, 12,734,728.80 and 3,097,201.62
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Solution
The fourth proportional to 8,488,566.66, 12,734,728.80 and 3,097,201.62 is: 4,646,487.95
Step by Step Solution
- Step 1: Write the proportion equation
8,488,566.66 : 12,734,728.80 = 3,097,201.62 : x - Step 2: Convert to fraction form
8,488,566.66/12,734,728.80 = 3,097,201.62/x - Step 3: Cross multiply
8,488,566.66x = 12,734,728.80 × 3,097,201.62 - Step 4: Simplify right side
8,488,566.66x = 39,442,022,669,620.66 - Step 5: Solve for x
x = 39,442,022,669,620.66/8,488,566.66 - Step 6: Final answer
x = 4,646,487.95
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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.